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Finding the Fourth Proportional to 64,404.80, 96,596.25 and 17,020.43

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Solution

The fourth proportional to 64,404.80, 96,596.25 and 17,020.43 is: 25,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,404.80 : 96,596.25 = 17,020.43 : x
  2. Step 2: Convert to fraction form
    64,404.80/96,596.25 = 17,020.43/x
  3. Step 3: Cross multiply
    64,404.80x = 96,596.25 × 17,020.43
  4. Step 4: Simplify right side
    64,404.80x = 1,644,109,711.39
  5. Step 5: Solve for x
    x = 1,644,109,711.39/64,404.80
  6. Step 6: Final answer
    x = 25,527.75

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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.