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Finding the Fourth Proportional to 16,326.64, 22,530.66 and 8,874.64

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Solution

The fourth proportional to 16,326.64, 22,530.66 and 8,874.64 is: 12,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,326.64 : 22,530.66 = 8,874.64 : x
  2. Step 2: Convert to fraction form
    16,326.64/22,530.66 = 8,874.64/x
  3. Step 3: Cross multiply
    16,326.64x = 22,530.66 × 8,874.64
  4. Step 4: Simplify right side
    16,326.64x = 199,951,496.46
  5. Step 5: Solve for x
    x = 199,951,496.46/16,326.64
  6. Step 6: Final answer
    x = 12,246.95

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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.