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Finding the Fourth Proportional to 62,654.96, 86,474.69 and 47,522.28

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Solution

The fourth proportional to 62,654.96, 86,474.69 and 47,522.28 is: 65,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,654.96 : 86,474.69 = 47,522.28 : x
  2. Step 2: Convert to fraction form
    62,654.96/86,474.69 = 47,522.28/x
  3. Step 3: Cross multiply
    62,654.96x = 86,474.69 × 47,522.28
  4. Step 4: Simplify right side
    62,654.96x = 4,109,474,193.48
  5. Step 5: Solve for x
    x = 4,109,474,193.48/62,654.96
  6. Step 6: Final answer
    x = 65,588.97

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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.