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Finding the Fourth Proportional to 16,295.28, 22,487.58 and 8,843.28

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Solution

The fourth proportional to 16,295.28, 22,487.58 and 8,843.28 is: 12,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,295.28 : 22,487.58 = 8,843.28 : x
  2. Step 2: Convert to fraction form
    16,295.28/22,487.58 = 8,843.28/x
  3. Step 3: Cross multiply
    16,295.28x = 22,487.58 × 8,843.28
  4. Step 4: Simplify right side
    16,295.28x = 198,863,966.46
  5. Step 5: Solve for x
    x = 198,863,966.46/16,295.28
  6. Step 6: Final answer
    x = 12,203.78

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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.