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Finding the Fourth Proportional to 29,679.39, 40,957.55 and 16,250.64

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Solution

The fourth proportional to 29,679.39, 40,957.55 and 16,250.64 is: 22,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679.39 : 40,957.55 = 16,250.64 : x
  2. Step 2: Convert to fraction form
    29,679.39/40,957.55 = 16,250.64/x
  3. Step 3: Cross multiply
    29,679.39x = 40,957.55 × 16,250.64
  4. Step 4: Simplify right side
    29,679.39x = 665,586,400.33
  5. Step 5: Solve for x
    x = 665,586,400.33/29,679.39
  6. Step 6: Final answer
    x = 22,425.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.