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Finding the Fourth Proportional to 69,856.52, 104,712.42 and 27,719.24

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Solution

The fourth proportional to 69,856.52, 104,712.42 and 27,719.24 is: 41,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,856.52 : 104,712.42 = 27,719.24 : x
  2. Step 2: Convert to fraction form
    69,856.52/104,712.42 = 27,719.24/x
  3. Step 3: Cross multiply
    69,856.52x = 104,712.42 × 27,719.24
  4. Step 4: Simplify right side
    69,856.52x = 2,902,548,700.96
  5. Step 5: Solve for x
    x = 2,902,548,700.96/69,856.52
  6. Step 6: Final answer
    x = 41,550.15

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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.