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Finding the Fourth Proportional to 64,572.68, 96,864.60 and 17,825.56

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Solution

The fourth proportional to 64,572.68, 96,864.60 and 17,825.56 is: 26,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,572.68 : 96,864.60 = 17,825.56 : x
  2. Step 2: Convert to fraction form
    64,572.68/96,864.60 = 17,825.56/x
  3. Step 3: Cross multiply
    64,572.68x = 96,864.60 × 17,825.56
  4. Step 4: Simplify right side
    64,572.68x = 1,726,665,563.86
  5. Step 5: Solve for x
    x = 1,726,665,563.86/64,572.68
  6. Step 6: Final answer
    x = 26,739.88

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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.