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Finding the Fourth Proportional to 8,562.60, 12,843.90 and 3,017.16

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Solution

The fourth proportional to 8,562.60, 12,843.90 and 3,017.16 is: 4,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.60 : 12,843.90 = 3,017.16 : x
  2. Step 2: Convert to fraction form
    8,562.60/12,843.90 = 3,017.16/x
  3. Step 3: Cross multiply
    8,562.60x = 12,843.90 × 3,017.16
  4. Step 4: Simplify right side
    8,562.60x = 38,752,101.32
  5. Step 5: Solve for x
    x = 38,752,101.32/8,562.60
  6. Step 6: Final answer
    x = 4,525.74

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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.