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Finding the Fourth Proportional to 69,876.92, 96,494.15 and 44,391.49

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Solution

The fourth proportional to 69,876.92, 96,494.15 and 44,391.49 is: 61,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,876.92 : 96,494.15 = 44,391.49 : x
  2. Step 2: Convert to fraction form
    69,876.92/96,494.15 = 44,391.49/x
  3. Step 3: Cross multiply
    69,876.92x = 96,494.15 × 44,391.49
  4. Step 4: Simplify right side
    69,876.92x = 4,283,518,964.53
  5. Step 5: Solve for x
    x = 4,283,518,964.53/69,876.92
  6. Step 6: Final answer
    x = 61,300.91

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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.