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Finding the Fourth Proportional to 16,252.31, 22,428.19 and 8,800.31

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Solution

The fourth proportional to 16,252.31, 22,428.19 and 8,800.31 is: 12,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,252.31 : 22,428.19 = 8,800.31 : x
  2. Step 2: Convert to fraction form
    16,252.31/22,428.19 = 8,800.31/x
  3. Step 3: Cross multiply
    16,252.31x = 22,428.19 × 8,800.31
  4. Step 4: Simplify right side
    16,252.31x = 197,375,091.81
  5. Step 5: Solve for x
    x = 197,375,091.81/16,252.31
  6. Step 6: Final answer
    x = 12,144.43

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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.