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Finding the Fourth Proportional to 61,754.24, 92,755.35 and 36,842.90

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Solution

The fourth proportional to 61,754.24, 92,755.35 and 36,842.90 is: 55,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,754.24 : 92,755.35 = 36,842.90 : x
  2. Step 2: Convert to fraction form
    61,754.24/92,755.35 = 36,842.90/x
  3. Step 3: Cross multiply
    61,754.24x = 92,755.35 × 36,842.90
  4. Step 4: Simplify right side
    61,754.24x = 3,417,375,620.74
  5. Step 5: Solve for x
    x = 3,417,375,620.74/61,754.24
  6. Step 6: Final answer
    x = 55,338.32

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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.