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Finding the Fourth Proportional to 64,517.70, 96,788.79 and 22,396.14

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Solution

The fourth proportional to 64,517.70, 96,788.79 and 22,396.14 is: 33,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,517.70 : 96,788.79 = 22,396.14 : x
  2. Step 2: Convert to fraction form
    64,517.70/96,788.79 = 22,396.14/x
  3. Step 3: Cross multiply
    64,517.70x = 96,788.79 × 22,396.14
  4. Step 4: Simplify right side
    64,517.70x = 2,167,695,291.27
  5. Step 5: Solve for x
    x = 2,167,695,291.27/64,517.70
  6. Step 6: Final answer
    x = 33,598.46

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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.