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Finding the Fourth Proportional to 16,335.12, 22,542.36 and 8,883.12

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Solution

The fourth proportional to 16,335.12, 22,542.36 and 8,883.12 is: 12,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,335.12 : 22,542.36 = 8,883.12 : x
  2. Step 2: Convert to fraction form
    16,335.12/22,542.36 = 8,883.12/x
  3. Step 3: Cross multiply
    16,335.12x = 22,542.36 × 8,883.12
  4. Step 4: Simplify right side
    16,335.12x = 200,246,488.96
  5. Step 5: Solve for x
    x = 200,246,488.96/16,335.12
  6. Step 6: Final answer
    x = 12,258.65

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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.