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Finding the Fourth Proportional to 5,939.28, 8,909.94 and 2,652.30

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Solution

The fourth proportional to 5,939.28, 8,909.94 and 2,652.30 is: 3,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.28 : 8,909.94 = 2,652.30 : x
  2. Step 2: Convert to fraction form
    5,939.28/8,909.94 = 2,652.30/x
  3. Step 3: Cross multiply
    5,939.28x = 8,909.94 × 2,652.30
  4. Step 4: Simplify right side
    5,939.28x = 23,631,833.86
  5. Step 5: Solve for x
    x = 23,631,833.86/5,939.28
  6. Step 6: Final answer
    x = 3,978.91

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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.