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Finding the Fourth Proportional to 64,221.62, 96,308.52 and 22,089.87

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Solution

The fourth proportional to 64,221.62, 96,308.52 and 22,089.87 is: 33,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,221.62 : 96,308.52 = 22,089.87 : x
  2. Step 2: Convert to fraction form
    64,221.62/96,308.52 = 22,089.87/x
  3. Step 3: Cross multiply
    64,221.62x = 96,308.52 × 22,089.87
  4. Step 4: Simplify right side
    64,221.62x = 2,127,442,686.69
  5. Step 5: Solve for x
    x = 2,127,442,686.69/64,221.62
  6. Step 6: Final answer
    x = 33,126.58

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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.