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Finding the Fourth Proportional to 68,691.54, 94,793.22 and 38,476.76

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Solution

The fourth proportional to 68,691.54, 94,793.22 and 38,476.76 is: 53,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,691.54 : 94,793.22 = 38,476.76 : x
  2. Step 2: Convert to fraction form
    68,691.54/94,793.22 = 38,476.76/x
  3. Step 3: Cross multiply
    68,691.54x = 94,793.22 × 38,476.76
  4. Step 4: Simplify right side
    68,691.54x = 3,647,335,975.57
  5. Step 5: Solve for x
    x = 3,647,335,975.57/68,691.54
  6. Step 6: Final answer
    x = 53,097.31

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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.