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Finding the Fourth Proportional to 62,472.34, 86,151.29 and 52,911.50

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Solution

The fourth proportional to 62,472.34, 86,151.29 and 52,911.50 is: 72,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.34 : 86,151.29 = 52,911.50 : x
  2. Step 2: Convert to fraction form
    62,472.34/86,151.29 = 52,911.50/x
  3. Step 3: Cross multiply
    62,472.34x = 86,151.29 × 52,911.50
  4. Step 4: Simplify right side
    62,472.34x = 4,558,393,931.66
  5. Step 5: Solve for x
    x = 4,558,393,931.66/62,472.34
  6. Step 6: Final answer
    x = 72,966.60

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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.