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Finding the Fourth Proportional to 16,260.92, 22,440.11 and 8,808.92

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Solution

The fourth proportional to 16,260.92, 22,440.11 and 8,808.92 is: 12,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,260.92 : 22,440.11 = 8,808.92 : x
  2. Step 2: Convert to fraction form
    16,260.92/22,440.11 = 8,808.92/x
  3. Step 3: Cross multiply
    16,260.92x = 22,440.11 × 8,808.92
  4. Step 4: Simplify right side
    16,260.92x = 197,673,133.78
  5. Step 5: Solve for x
    x = 197,673,133.78/16,260.92
  6. Step 6: Final answer
    x = 12,156.33

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Half scale
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Double scale
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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.