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Finding the Fourth Proportional to 5,672.59, 8,508.98 and 2,164.22

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Solution

The fourth proportional to 5,672.59, 8,508.98 and 2,164.22 is: 3,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.59 : 8,508.98 = 2,164.22 : x
  2. Step 2: Convert to fraction form
    5,672.59/8,508.98 = 2,164.22/x
  3. Step 3: Cross multiply
    5,672.59x = 8,508.98 × 2,164.22
  4. Step 4: Simplify right side
    5,672.59x = 18,415,304.70
  5. Step 5: Solve for x
    x = 18,415,304.70/5,672.59
  6. Step 6: Final answer
    x = 3,246.37

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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.