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Finding the Fourth Proportional to 8,399.27, 12,568.08 and 7,009.17

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Solution

The fourth proportional to 8,399.27, 12,568.08 and 7,009.17 is: 10,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.27 : 12,568.08 = 7,009.17 : x
  2. Step 2: Convert to fraction form
    8,399.27/12,568.08 = 7,009.17/x
  3. Step 3: Cross multiply
    8,399.27x = 12,568.08 × 7,009.17
  4. Step 4: Simplify right side
    8,399.27x = 88,091,809.29
  5. Step 5: Solve for x
    x = 88,091,809.29/8,399.27
  6. Step 6: Final answer
    x = 10,488.04

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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.