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Finding the Fourth Proportional to 60,793.38, 83,853.90 and 52,821.90

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Solution

The fourth proportional to 60,793.38, 83,853.90 and 52,821.90 is: 72,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,793.38 : 83,853.90 = 52,821.90 : x
  2. Step 2: Convert to fraction form
    60,793.38/83,853.90 = 52,821.90/x
  3. Step 3: Cross multiply
    60,793.38x = 83,853.90 × 52,821.90
  4. Step 4: Simplify right side
    60,793.38x = 4,429,322,320.41
  5. Step 5: Solve for x
    x = 4,429,322,320.41/60,793.38
  6. Step 6: Final answer
    x = 72,858.63

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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.