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Finding the Fourth Proportional to 55,374.70, 83,062.05 and 36,675.85

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Solution

The fourth proportional to 55,374.70, 83,062.05 and 36,675.85 is: 55,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374.70 : 83,062.05 = 36,675.85 : x
  2. Step 2: Convert to fraction form
    55,374.70/83,062.05 = 36,675.85/x
  3. Step 3: Cross multiply
    55,374.70x = 83,062.05 × 36,675.85
  4. Step 4: Simplify right side
    55,374.70x = 3,046,371,286.49
  5. Step 5: Solve for x
    x = 3,046,371,286.49/55,374.70
  6. Step 6: Final answer
    x = 55,013.78

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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.