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Finding the Fourth Proportional to 61,850.76, 92,656.74 and 36,910.74

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Solution

The fourth proportional to 61,850.76, 92,656.74 and 36,910.74 is: 55,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,850.76 : 92,656.74 = 36,910.74 : x
  2. Step 2: Convert to fraction form
    61,850.76/92,656.74 = 36,910.74/x
  3. Step 3: Cross multiply
    61,850.76x = 92,656.74 × 36,910.74
  4. Step 4: Simplify right side
    61,850.76x = 3,420,028,839.39
  5. Step 5: Solve for x
    x = 3,420,028,839.39/61,850.76
  6. Step 6: Final answer
    x = 55,294.86

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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.