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Finding the Fourth Proportional to 27,275.61, 40,913.42 and 7,553.73

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Solution

The fourth proportional to 27,275.61, 40,913.42 and 7,553.73 is: 11,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.61 : 40,913.42 = 7,553.73 : x
  2. Step 2: Convert to fraction form
    27,275.61/40,913.42 = 7,553.73/x
  3. Step 3: Cross multiply
    27,275.61x = 40,913.42 × 7,553.73
  4. Step 4: Simplify right side
    27,275.61x = 309,048,928.06
  5. Step 5: Solve for x
    x = 309,048,928.06/27,275.61
  6. Step 6: Final answer
    x = 11,330.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.