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Finding the Fourth Proportional to 69,053.88, 95,283.19 and 38,837.40

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Solution

The fourth proportional to 69,053.88, 95,283.19 and 38,837.40 is: 53,589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,053.88 : 95,283.19 = 38,837.40 : x
  2. Step 2: Convert to fraction form
    69,053.88/95,283.19 = 38,837.40/x
  3. Step 3: Cross multiply
    69,053.88x = 95,283.19 × 38,837.40
  4. Step 4: Simplify right side
    69,053.88x = 3,700,551,363.31
  5. Step 5: Solve for x
    x = 3,700,551,363.31/69,053.88
  6. Step 6: Final answer
    x = 53,589.33

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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.