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Finding the Fourth Proportional to 5,882.60, 8,821.06 and 3,418.12

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Solution

The fourth proportional to 5,882.60, 8,821.06 and 3,418.12 is: 5,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,882.60 : 8,821.06 = 3,418.12 : x
  2. Step 2: Convert to fraction form
    5,882.60/8,821.06 = 3,418.12/x
  3. Step 3: Cross multiply
    5,882.60x = 8,821.06 × 3,418.12
  4. Step 4: Simplify right side
    5,882.60x = 30,151,441.61
  5. Step 5: Solve for x
    x = 30,151,441.61/5,882.60
  6. Step 6: Final answer
    x = 5,125.53

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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.