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Finding the Fourth Proportional to 16,251.84, 22,427.28 and 9,081.86

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Solution

The fourth proportional to 16,251.84, 22,427.28 and 9,081.86 is: 12,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.84 : 22,427.28 = 9,081.86 : x
  2. Step 2: Convert to fraction form
    16,251.84/22,427.28 = 9,081.86/x
  3. Step 3: Cross multiply
    16,251.84x = 22,427.28 × 9,081.86
  4. Step 4: Simplify right side
    16,251.84x = 203,681,305.00
  5. Step 5: Solve for x
    x = 203,681,305.00/16,251.84
  6. Step 6: Final answer
    x = 12,532.82

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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.