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Finding the Fourth Proportional to 29,679.35, 40,957.52 and 16,251.44

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Solution

The fourth proportional to 29,679.35, 40,957.52 and 16,251.44 is: 22,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679.35 : 40,957.52 = 16,251.44 : x
  2. Step 2: Convert to fraction form
    29,679.35/40,957.52 = 16,251.44/x
  3. Step 3: Cross multiply
    29,679.35x = 40,957.52 × 16,251.44
  4. Step 4: Simplify right side
    29,679.35x = 665,618,392.78
  5. Step 5: Solve for x
    x = 665,618,392.78/29,679.35
  6. Step 6: Final answer
    x = 22,426.99

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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.