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Finding the Fourth Proportional to 61,642.55, 92,459.27 and 29,954.75

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Solution

The fourth proportional to 61,642.55, 92,459.27 and 29,954.75 is: 44,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,642.55 : 92,459.27 = 29,954.75 : x
  2. Step 2: Convert to fraction form
    61,642.55/92,459.27 = 29,954.75/x
  3. Step 3: Cross multiply
    61,642.55x = 92,459.27 × 29,954.75
  4. Step 4: Simplify right side
    61,642.55x = 2,769,593,930.62
  5. Step 5: Solve for x
    x = 2,769,593,930.62/61,642.55
  6. Step 6: Final answer
    x = 44,929.90

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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.