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Finding the Fourth Proportional to 5,608.37, 8,414.37 and 2,686.88

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Solution

The fourth proportional to 5,608.37, 8,414.37 and 2,686.88 is: 4,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.37 : 8,414.37 = 2,686.88 : x
  2. Step 2: Convert to fraction form
    5,608.37/8,414.37 = 2,686.88/x
  3. Step 3: Cross multiply
    5,608.37x = 8,414.37 × 2,686.88
  4. Step 4: Simplify right side
    5,608.37x = 22,608,346.96
  5. Step 5: Solve for x
    x = 22,608,346.96/5,608.37
  6. Step 6: Final answer
    x = 4,031.18

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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.