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Finding the Fourth Proportional to 5,656.88, 8,489.64 and 2,372.60

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Solution

The fourth proportional to 5,656.88, 8,489.64 and 2,372.60 is: 3,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.88 : 8,489.64 = 2,372.60 : x
  2. Step 2: Convert to fraction form
    5,656.88/8,489.64 = 2,372.60/x
  3. Step 3: Cross multiply
    5,656.88x = 8,489.64 × 2,372.60
  4. Step 4: Simplify right side
    5,656.88x = 20,142,519.86
  5. Step 5: Solve for x
    x = 20,142,519.86/5,656.88
  6. Step 6: Final answer
    x = 3,560.71

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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.