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Finding the Fourth Proportional to 67,906.40, 93,709.04 and 37,691.64

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Solution

The fourth proportional to 67,906.40, 93,709.04 and 37,691.64 is: 52,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,906.40 : 93,709.04 = 37,691.64 : x
  2. Step 2: Convert to fraction form
    67,906.40/93,709.04 = 37,691.64/x
  3. Step 3: Cross multiply
    67,906.40x = 93,709.04 × 37,691.64
  4. Step 4: Simplify right side
    67,906.40x = 3,532,047,211.97
  5. Step 5: Solve for x
    x = 3,532,047,211.97/67,906.40
  6. Step 6: Final answer
    x = 52,013.47

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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.