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Finding the Fourth Proportional to 8,999.92, 13,499.88 and 2,426.11

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Solution

The fourth proportional to 8,999.92, 13,499.88 and 2,426.11 is: 3,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.92 : 13,499.88 = 2,426.11 : x
  2. Step 2: Convert to fraction form
    8,999.92/13,499.88 = 2,426.11/x
  3. Step 3: Cross multiply
    8,999.92x = 13,499.88 × 2,426.11
  4. Step 4: Simplify right side
    8,999.92x = 32,752,145.68
  5. Step 5: Solve for x
    x = 32,752,145.68/8,999.92
  6. Step 6: Final answer
    x = 3,639.16

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.