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Finding the Fourth Proportional to 69,822.38, 96,338.48 and 39,600.88

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Solution

The fourth proportional to 69,822.38, 96,338.48 and 39,600.88 is: 54,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,822.38 : 96,338.48 = 39,600.88 : x
  2. Step 2: Convert to fraction form
    69,822.38/96,338.48 = 39,600.88/x
  3. Step 3: Cross multiply
    69,822.38x = 96,338.48 × 39,600.88
  4. Step 4: Simplify right side
    69,822.38x = 3,815,088,585.86
  5. Step 5: Solve for x
    x = 3,815,088,585.86/69,822.38
  6. Step 6: Final answer
    x = 54,639.91

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1.5x scale

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.