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Finding the Fourth Proportional to 71,013.52, 97,998.28 and 38,748.13

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Solution

The fourth proportional to 71,013.52, 97,998.28 and 38,748.13 is: 53,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,013.52 : 97,998.28 = 38,748.13 : x
  2. Step 2: Convert to fraction form
    71,013.52/97,998.28 = 38,748.13/x
  3. Step 3: Cross multiply
    71,013.52x = 97,998.28 × 38,748.13
  4. Step 4: Simplify right side
    71,013.52x = 3,797,250,093.22
  5. Step 5: Solve for x
    x = 3,797,250,093.22/71,013.52
  6. Step 6: Final answer
    x = 53,472.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.