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Finding the Fourth Proportional to 48,682.90, 72,882 and 44,013.70

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Solution

The fourth proportional to 48,682.90, 72,882 and 44,013.70 is: 65,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,682.90 : 72,882 = 44,013.70 : x
  2. Step 2: Convert to fraction form
    48,682.90/72,882 = 44,013.70/x
  3. Step 3: Cross multiply
    48,682.90x = 72,882 × 44,013.70
  4. Step 4: Simplify right side
    48,682.90x = 3,207,806,483.40
  5. Step 5: Solve for x
    x = 3,207,806,483.40/48,682.90
  6. Step 6: Final answer
    x = 65,891.85

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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.