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Finding the Fourth Proportional to 65,044.74, 89,761.84 and 36,750.44

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Solution

The fourth proportional to 65,044.74, 89,761.84 and 36,750.44 is: 50,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,044.74 : 89,761.84 = 36,750.44 : x
  2. Step 2: Convert to fraction form
    65,044.74/89,761.84 = 36,750.44/x
  3. Step 3: Cross multiply
    65,044.74x = 89,761.84 × 36,750.44
  4. Step 4: Simplify right side
    65,044.74x = 3,298,787,115.21
  5. Step 5: Solve for x
    x = 3,298,787,115.21/65,044.74
  6. Step 6: Final answer
    x = 50,715.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.