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Finding the Fourth Proportional to 45,397.77, 68,082.81 and 36,491.97

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Solution

The fourth proportional to 45,397.77, 68,082.81 and 36,491.97 is: 54,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,397.77 : 68,082.81 = 36,491.97 : x
  2. Step 2: Convert to fraction form
    45,397.77/68,082.81 = 36,491.97/x
  3. Step 3: Cross multiply
    45,397.77x = 68,082.81 × 36,491.97
  4. Step 4: Simplify right side
    45,397.77x = 2,484,475,860.04
  5. Step 5: Solve for x
    x = 2,484,475,860.04/45,397.77
  6. Step 6: Final answer
    x = 54,726.83

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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.