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Finding the Fourth Proportional to 5,394.17, 8,074.53 and 2,922.86

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Solution

The fourth proportional to 5,394.17, 8,074.53 and 2,922.86 is: 4,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.17 : 8,074.53 = 2,922.86 : x
  2. Step 2: Convert to fraction form
    5,394.17/8,074.53 = 2,922.86/x
  3. Step 3: Cross multiply
    5,394.17x = 8,074.53 × 2,922.86
  4. Step 4: Simplify right side
    5,394.17x = 23,600,680.38
  5. Step 5: Solve for x
    x = 23,600,680.38/5,394.17
  6. Step 6: Final answer
    x = 4,375.22

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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.