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Finding the Fourth Proportional to 16,471.29, 22,724.48 and 9,393.61

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Solution

The fourth proportional to 16,471.29, 22,724.48 and 9,393.61 is: 12,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,471.29 : 22,724.48 = 9,393.61 : x
  2. Step 2: Convert to fraction form
    16,471.29/22,724.48 = 9,393.61/x
  3. Step 3: Cross multiply
    16,471.29x = 22,724.48 × 9,393.61
  4. Step 4: Simplify right side
    16,471.29x = 213,464,902.57
  5. Step 5: Solve for x
    x = 213,464,902.57/16,471.29
  6. Step 6: Final answer
    x = 12,959.82

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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.