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Finding the Fourth Proportional to 18,031.33, 27,046.99 and 7,501.15

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Solution

The fourth proportional to 18,031.33, 27,046.99 and 7,501.15 is: 11,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.33 : 27,046.99 = 7,501.15 : x
  2. Step 2: Convert to fraction form
    18,031.33/27,046.99 = 7,501.15/x
  3. Step 3: Cross multiply
    18,031.33x = 27,046.99 × 7,501.15
  4. Step 4: Simplify right side
    18,031.33x = 202,883,356.30
  5. Step 5: Solve for x
    x = 202,883,356.30/18,031.33
  6. Step 6: Final answer
    x = 11,251.72

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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.