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Finding the Fourth Proportional to 61,351.92, 92,010.87 and 38,847.96

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Solution

The fourth proportional to 61,351.92, 92,010.87 and 38,847.96 is: 58,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,351.92 : 92,010.87 = 38,847.96 : x
  2. Step 2: Convert to fraction form
    61,351.92/92,010.87 = 38,847.96/x
  3. Step 3: Cross multiply
    61,351.92x = 92,010.87 × 38,847.96
  4. Step 4: Simplify right side
    61,351.92x = 3,574,434,597.33
  5. Step 5: Solve for x
    x = 3,574,434,597.33/61,351.92
  6. Step 6: Final answer
    x = 58,261.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.