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Finding the Fourth Proportional to 68,951.80, 95,150.28 and 38,323.47

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Solution

The fourth proportional to 68,951.80, 95,150.28 and 38,323.47 is: 52,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,951.80 : 95,150.28 = 38,323.47 : x
  2. Step 2: Convert to fraction form
    68,951.80/95,150.28 = 38,323.47/x
  3. Step 3: Cross multiply
    68,951.80x = 95,150.28 × 38,323.47
  4. Step 4: Simplify right side
    68,951.80x = 3,646,488,901.07
  5. Step 5: Solve for x
    x = 3,646,488,901.07/68,951.80
  6. Step 6: Final answer
    x = 52,884.61

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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.