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Finding the Fourth Proportional to 6,575.52, 9,855.18 and 3,649.80

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Solution

The fourth proportional to 6,575.52, 9,855.18 and 3,649.80 is: 5,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,575.52 : 9,855.18 = 3,649.80 : x
  2. Step 2: Convert to fraction form
    6,575.52/9,855.18 = 3,649.80/x
  3. Step 3: Cross multiply
    6,575.52x = 9,855.18 × 3,649.80
  4. Step 4: Simplify right side
    6,575.52x = 35,969,435.96
  5. Step 5: Solve for x
    x = 35,969,435.96/6,575.52
  6. Step 6: Final answer
    x = 5,470.20

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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.