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Finding the Fourth Proportional to 48,600, 72,981 and 44,963.10

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Solution

The fourth proportional to 48,600, 72,981 and 44,963.10 is: 67,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,600 : 72,981 = 44,963.10 : x
  2. Step 2: Convert to fraction form
    48,600/72,981 = 44,963.10/x
  3. Step 3: Cross multiply
    48,600x = 72,981 × 44,963.10
  4. Step 4: Simplify right side
    48,600x = 3,281,452,001.10
  5. Step 5: Solve for x
    x = 3,281,452,001.10/48,600
  6. Step 6: Final answer
    x = 67,519.59

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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.