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Finding the Fourth Proportional to 61,792.85, 92,765.01 and 40,750.47

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Solution

The fourth proportional to 61,792.85, 92,765.01 and 40,750.47 is: 61,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,792.85 : 92,765.01 = 40,750.47 : x
  2. Step 2: Convert to fraction form
    61,792.85/92,765.01 = 40,750.47/x
  3. Step 3: Cross multiply
    61,792.85x = 92,765.01 × 40,750.47
  4. Step 4: Simplify right side
    61,792.85x = 3,780,217,757.05
  5. Step 5: Solve for x
    x = 3,780,217,757.05/61,792.85
  6. Step 6: Final answer
    x = 61,175.65

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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.