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Finding the Fourth Proportional to 38,469.96, 57,711.96 and 13,502.52

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Solution

The fourth proportional to 38,469.96, 57,711.96 and 13,502.52 is: 20,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469.96 : 57,711.96 = 13,502.52 : x
  2. Step 2: Convert to fraction form
    38,469.96/57,711.96 = 13,502.52/x
  3. Step 3: Cross multiply
    38,469.96x = 57,711.96 × 13,502.52
  4. Step 4: Simplify right side
    38,469.96x = 779,256,894.14
  5. Step 5: Solve for x
    x = 779,256,894.14/38,469.96
  6. Step 6: Final answer
    x = 20,256.24

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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.