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Finding the Fourth Proportional to 5,006.99, 6,910.16 and 2,882.61

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Solution

The fourth proportional to 5,006.99, 6,910.16 and 2,882.61 is: 3,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.99 : 6,910.16 = 2,882.61 : x
  2. Step 2: Convert to fraction form
    5,006.99/6,910.16 = 2,882.61/x
  3. Step 3: Cross multiply
    5,006.99x = 6,910.16 × 2,882.61
  4. Step 4: Simplify right side
    5,006.99x = 19,919,317.55
  5. Step 5: Solve for x
    x = 19,919,317.55/5,006.99
  6. Step 6: Final answer
    x = 3,978.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.