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Finding the Fourth Proportional to 62,932.16, 86,842.80 and 36,068.96

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Solution

The fourth proportional to 62,932.16, 86,842.80 and 36,068.96 is: 49,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,932.16 : 86,842.80 = 36,068.96 : x
  2. Step 2: Convert to fraction form
    62,932.16/86,842.80 = 36,068.96/x
  3. Step 3: Cross multiply
    62,932.16x = 86,842.80 × 36,068.96
  4. Step 4: Simplify right side
    62,932.16x = 3,132,329,479.49
  5. Step 5: Solve for x
    x = 3,132,329,479.49/62,932.16
  6. Step 6: Final answer
    x = 49,773.11

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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.