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Finding the Fourth Proportional to 6,575.80, 9,866.10 and 3,110.44

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Solution

The fourth proportional to 6,575.80, 9,866.10 and 3,110.44 is: 4,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,575.80 : 9,866.10 = 3,110.44 : x
  2. Step 2: Convert to fraction form
    6,575.80/9,866.10 = 3,110.44/x
  3. Step 3: Cross multiply
    6,575.80x = 9,866.10 × 3,110.44
  4. Step 4: Simplify right side
    6,575.80x = 30,687,912.08
  5. Step 5: Solve for x
    x = 30,687,912.08/6,575.80
  6. Step 6: Final answer
    x = 4,666.80

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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.