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Finding the Fourth Proportional to 52,920.50, 79,339.10 and 36,229.95

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Solution

The fourth proportional to 52,920.50, 79,339.10 and 36,229.95 is: 54,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,920.50 : 79,339.10 = 36,229.95 : x
  2. Step 2: Convert to fraction form
    52,920.50/79,339.10 = 36,229.95/x
  3. Step 3: Cross multiply
    52,920.50x = 79,339.10 × 36,229.95
  4. Step 4: Simplify right side
    52,920.50x = 2,874,451,444.90
  5. Step 5: Solve for x
    x = 2,874,451,444.90/52,920.50
  6. Step 6: Final answer
    x = 54,316.41

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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.