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Finding the Fourth Proportional to 64,487.43, 88,996.62 and 36,193.14

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Solution

The fourth proportional to 64,487.43, 88,996.62 and 36,193.14 is: 49,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,487.43 : 88,996.62 = 36,193.14 : x
  2. Step 2: Convert to fraction form
    64,487.43/88,996.62 = 36,193.14/x
  3. Step 3: Cross multiply
    64,487.43x = 88,996.62 × 36,193.14
  4. Step 4: Simplify right side
    64,487.43x = 3,221,067,127.19
  5. Step 5: Solve for x
    x = 3,221,067,127.19/64,487.43
  6. Step 6: Final answer
    x = 49,948.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.