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Finding the Fourth Proportional to 69,887.64, 104,738.04 and 25,472.64

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Solution

The fourth proportional to 69,887.64, 104,738.04 and 25,472.64 is: 38,174.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,887.64 : 104,738.04 = 25,472.64 : x
  2. Step 2: Convert to fraction form
    69,887.64/104,738.04 = 25,472.64/x
  3. Step 3: Cross multiply
    69,887.64x = 104,738.04 × 25,472.64
  4. Step 4: Simplify right side
    69,887.64x = 2,667,954,387.23
  5. Step 5: Solve for x
    x = 2,667,954,387.23/69,887.64
  6. Step 6: Final answer
    x = 38,174.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.