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Finding the Fourth Proportional to 69,261.88, 95,581.41 and 39,453.88

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Solution

The fourth proportional to 69,261.88, 95,581.41 and 39,453.88 is: 54,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,261.88 : 95,581.41 = 39,453.88 : x
  2. Step 2: Convert to fraction form
    69,261.88/95,581.41 = 39,453.88/x
  3. Step 3: Cross multiply
    69,261.88x = 95,581.41 × 39,453.88
  4. Step 4: Simplify right side
    69,261.88x = 3,771,057,002.46
  5. Step 5: Solve for x
    x = 3,771,057,002.46/69,261.88
  6. Step 6: Final answer
    x = 54,446.36

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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.