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Finding the Fourth Proportional to 8,560.37, 12,842.18 and 3,013.09

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Solution

The fourth proportional to 8,560.37, 12,842.18 and 3,013.09 is: 4,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.37 : 12,842.18 = 3,013.09 : x
  2. Step 2: Convert to fraction form
    8,560.37/12,842.18 = 3,013.09/x
  3. Step 3: Cross multiply
    8,560.37x = 12,842.18 × 3,013.09
  4. Step 4: Simplify right side
    8,560.37x = 38,694,608.26
  5. Step 5: Solve for x
    x = 38,694,608.26/8,560.37
  6. Step 6: Final answer
    x = 4,520.20

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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.