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Finding the Fourth Proportional to 64,517.33, 96,731.78 and 32,866.11

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Solution

The fourth proportional to 64,517.33, 96,731.78 and 32,866.11 is: 49,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,517.33 : 96,731.78 = 32,866.11 : x
  2. Step 2: Convert to fraction form
    64,517.33/96,731.78 = 32,866.11/x
  3. Step 3: Cross multiply
    64,517.33x = 96,731.78 × 32,866.11
  4. Step 4: Simplify right side
    64,517.33x = 3,179,197,157.65
  5. Step 5: Solve for x
    x = 3,179,197,157.65/64,517.33
  6. Step 6: Final answer
    x = 49,276.64

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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.