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Finding the Fourth Proportional to 8,010.82, 11,995.20 and 5,658.10

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Solution

The fourth proportional to 8,010.82, 11,995.20 and 5,658.10 is: 8,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.82 : 11,995.20 = 5,658.10 : x
  2. Step 2: Convert to fraction form
    8,010.82/11,995.20 = 5,658.10/x
  3. Step 3: Cross multiply
    8,010.82x = 11,995.20 × 5,658.10
  4. Step 4: Simplify right side
    8,010.82x = 67,870,041.12
  5. Step 5: Solve for x
    x = 67,870,041.12/8,010.82
  6. Step 6: Final answer
    x = 8,472.30

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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.