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Finding the Fourth Proportional to 69,057.67, 95,302.43 and 38,844.40

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Solution

The fourth proportional to 69,057.67, 95,302.43 and 38,844.40 is: 53,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,057.67 : 95,302.43 = 38,844.40 : x
  2. Step 2: Convert to fraction form
    69,057.67/95,302.43 = 38,844.40/x
  3. Step 3: Cross multiply
    69,057.67x = 95,302.43 × 38,844.40
  4. Step 4: Simplify right side
    69,057.67x = 3,701,965,711.89
  5. Step 5: Solve for x
    x = 3,701,965,711.89/69,057.67
  6. Step 6: Final answer
    x = 53,606.87

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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.