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Finding the Fourth Proportional to 52,773.54, 79,173.81 and 38,898.78

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Solution

The fourth proportional to 52,773.54, 79,173.81 and 38,898.78 is: 58,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,773.54 : 79,173.81 = 38,898.78 : x
  2. Step 2: Convert to fraction form
    52,773.54/79,173.81 = 38,898.78/x
  3. Step 3: Cross multiply
    52,773.54x = 79,173.81 × 38,898.78
  4. Step 4: Simplify right side
    52,773.54x = 3,079,764,616.95
  5. Step 5: Solve for x
    x = 3,079,764,616.95/52,773.54
  6. Step 6: Final answer
    x = 58,358.12

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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.