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Finding the Fourth Proportional to 8,562.70, 12,843.04 and 3,016.24

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Solution

The fourth proportional to 8,562.70, 12,843.04 and 3,016.24 is: 4,524.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.70 : 12,843.04 = 3,016.24 : x
  2. Step 2: Convert to fraction form
    8,562.70/12,843.04 = 3,016.24/x
  3. Step 3: Cross multiply
    8,562.70x = 12,843.04 × 3,016.24
  4. Step 4: Simplify right side
    8,562.70x = 38,737,690.97
  5. Step 5: Solve for x
    x = 38,737,690.97/8,562.70
  6. Step 6: Final answer
    x = 4,524.00

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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.