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Finding the Fourth Proportional to 68,591.61, 94,660.09 and 38,375.12

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Solution

The fourth proportional to 68,591.61, 94,660.09 and 38,375.12 is: 52,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,591.61 : 94,660.09 = 38,375.12 : x
  2. Step 2: Convert to fraction form
    68,591.61/94,660.09 = 38,375.12/x
  3. Step 3: Cross multiply
    68,591.61x = 94,660.09 × 38,375.12
  4. Step 4: Simplify right side
    68,591.61x = 3,632,592,312.96
  5. Step 5: Solve for x
    x = 3,632,592,312.96/68,591.61
  6. Step 6: Final answer
    x = 52,959.72

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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.