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Finding the Fourth Proportional to 16,260.28, 22,439.22 and 8,808.28

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Solution

The fourth proportional to 16,260.28, 22,439.22 and 8,808.28 is: 12,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,260.28 : 22,439.22 = 8,808.28 : x
  2. Step 2: Convert to fraction form
    16,260.28/22,439.22 = 8,808.28/x
  3. Step 3: Cross multiply
    16,260.28x = 22,439.22 × 8,808.28
  4. Step 4: Simplify right side
    16,260.28x = 197,650,932.74
  5. Step 5: Solve for x
    x = 197,650,932.74/16,260.28
  6. Step 6: Final answer
    x = 12,155.44

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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.