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Finding the Fourth Proportional to 64,579.55, 96,866.62 and 22,469.15

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Solution

The fourth proportional to 64,579.55, 96,866.62 and 22,469.15 is: 33,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,579.55 : 96,866.62 = 22,469.15 : x
  2. Step 2: Convert to fraction form
    64,579.55/96,866.62 = 22,469.15/x
  3. Step 3: Cross multiply
    64,579.55x = 96,866.62 × 22,469.15
  4. Step 4: Simplify right side
    64,579.55x = 2,176,510,800.77
  5. Step 5: Solve for x
    x = 2,176,510,800.77/64,579.55
  6. Step 6: Final answer
    x = 33,702.79

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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.