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Finding the Fourth Proportional to 68,565.27, 94,617.78 and 37,938.42

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Solution

The fourth proportional to 68,565.27, 94,617.78 and 37,938.42 is: 52,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,565.27 : 94,617.78 = 37,938.42 : x
  2. Step 2: Convert to fraction form
    68,565.27/94,617.78 = 37,938.42/x
  3. Step 3: Cross multiply
    68,565.27x = 94,617.78 × 37,938.42
  4. Step 4: Simplify right side
    68,565.27x = 3,589,649,077.11
  5. Step 5: Solve for x
    x = 3,589,649,077.11/68,565.27
  6. Step 6: Final answer
    x = 52,353.75

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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.