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Finding the Fourth Proportional to 64,340.50, 96,487.02 and 22,209.82

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Solution

The fourth proportional to 64,340.50, 96,487.02 and 22,209.82 is: 33,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,340.50 : 96,487.02 = 22,209.82 : x
  2. Step 2: Convert to fraction form
    64,340.50/96,487.02 = 22,209.82/x
  3. Step 3: Cross multiply
    64,340.50x = 96,487.02 × 22,209.82
  4. Step 4: Simplify right side
    64,340.50x = 2,142,959,346.54
  5. Step 5: Solve for x
    x = 2,142,959,346.54/64,340.50
  6. Step 6: Final answer
    x = 33,306.54

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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.