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Finding the Fourth Proportional to 62,744.96, 86,555.96 and 40,060.11

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Solution

The fourth proportional to 62,744.96, 86,555.96 and 40,060.11 is: 55,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,744.96 : 86,555.96 = 40,060.11 : x
  2. Step 2: Convert to fraction form
    62,744.96/86,555.96 = 40,060.11/x
  3. Step 3: Cross multiply
    62,744.96x = 86,555.96 × 40,060.11
  4. Step 4: Simplify right side
    62,744.96x = 3,467,441,078.46
  5. Step 5: Solve for x
    x = 3,467,441,078.46/62,744.96
  6. Step 6: Final answer
    x = 55,262.47

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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.