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Finding the Fourth Proportional to 6,679.08, 10,018.08 and 2,981.52

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Solution

The fourth proportional to 6,679.08, 10,018.08 and 2,981.52 is: 4,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.08 : 10,018.08 = 2,981.52 : x
  2. Step 2: Convert to fraction form
    6,679.08/10,018.08 = 2,981.52/x
  3. Step 3: Cross multiply
    6,679.08x = 10,018.08 × 2,981.52
  4. Step 4: Simplify right side
    6,679.08x = 29,869,105.88
  5. Step 5: Solve for x
    x = 29,869,105.88/6,679.08
  6. Step 6: Final answer
    x = 4,472.04

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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.