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Finding the Fourth Proportional to 62,425.72, 86,141.28 and 35,566.64

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Solution

The fourth proportional to 62,425.72, 86,141.28 and 35,566.64 is: 49,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,425.72 : 86,141.28 = 35,566.64 : x
  2. Step 2: Convert to fraction form
    62,425.72/86,141.28 = 35,566.64/x
  3. Step 3: Cross multiply
    62,425.72x = 86,141.28 × 35,566.64
  4. Step 4: Simplify right side
    62,425.72x = 3,063,755,894.90
  5. Step 5: Solve for x
    x = 3,063,755,894.90/62,425.72
  6. Step 6: Final answer
    x = 49,078.42

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1.5x scale

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.