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Finding the Fourth Proportional to 8,704.43, 12,016.85 and 6,671.33

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Solution

The fourth proportional to 8,704.43, 12,016.85 and 6,671.33 is: 9,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.43 : 12,016.85 = 6,671.33 : x
  2. Step 2: Convert to fraction form
    8,704.43/12,016.85 = 6,671.33/x
  3. Step 3: Cross multiply
    8,704.43x = 12,016.85 × 6,671.33
  4. Step 4: Simplify right side
    8,704.43x = 80,168,371.91
  5. Step 5: Solve for x
    x = 80,168,371.91/8,704.43
  6. Step 6: Final answer
    x = 9,210.07

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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.