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Finding the Fourth Proportional to 61,765.75, 92,772.60 and 36,854.41

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Solution

The fourth proportional to 61,765.75, 92,772.60 and 36,854.41 is: 55,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,765.75 : 92,772.60 = 36,854.41 : x
  2. Step 2: Convert to fraction form
    61,765.75/92,772.60 = 36,854.41/x
  3. Step 3: Cross multiply
    61,765.75x = 92,772.60 × 36,854.41
  4. Step 4: Simplify right side
    61,765.75x = 3,419,079,437.17
  5. Step 5: Solve for x
    x = 3,419,079,437.17/61,765.75
  6. Step 6: Final answer
    x = 55,355.59

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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.