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Finding the Fourth Proportional to 27,227,449.20, 38,146,772.40 and 27,227,449.20

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Solution

The fourth proportional to 27,227,449.20, 38,146,772.40 and 27,227,449.20 is: 38,146,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,227,449.20 : 38,146,772.40 = 27,227,449.20 : x
  2. Step 2: Convert to fraction form
    27,227,449.20/38,146,772.40 = 27,227,449.20/x
  3. Step 3: Cross multiply
    27,227,449.20x = 38,146,772.40 × 27,227,449.20
  4. Step 4: Simplify right side
    27,227,449.20x = 1,038,639,307,664,962
  5. Step 5: Solve for x
    x = 1,038,639,307,664,962/27,227,449.20
  6. Step 6: Final answer
    x = 38,146,772.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.