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Finding the Fourth Proportional to 64,402.80, 96,593.25 and 17,018.43

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Solution

The fourth proportional to 64,402.80, 96,593.25 and 17,018.43 is: 25,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,402.80 : 96,593.25 = 17,018.43 : x
  2. Step 2: Convert to fraction form
    64,402.80/96,593.25 = 17,018.43/x
  3. Step 3: Cross multiply
    64,402.80x = 96,593.25 × 17,018.43
  4. Step 4: Simplify right side
    64,402.80x = 1,643,865,463.60
  5. Step 5: Solve for x
    x = 1,643,865,463.60/64,402.80
  6. Step 6: Final answer
    x = 25,524.75

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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.