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Finding the Fourth Proportional to 16,352.12, 22,565.96 and 8,900.12

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Solution

The fourth proportional to 16,352.12, 22,565.96 and 8,900.12 is: 12,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,352.12 : 22,565.96 = 8,900.12 : x
  2. Step 2: Convert to fraction form
    16,352.12/22,565.96 = 8,900.12/x
  3. Step 3: Cross multiply
    16,352.12x = 22,565.96 × 8,900.12
  4. Step 4: Simplify right side
    16,352.12x = 200,839,751.92
  5. Step 5: Solve for x
    x = 200,839,751.92/16,352.12
  6. Step 6: Final answer
    x = 12,282.18

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Double scale
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Similar ratio
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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.