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Finding the Fourth Proportional to 7,156.44, 10,734.72 and 2,773.92

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Solution

The fourth proportional to 7,156.44, 10,734.72 and 2,773.92 is: 4,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.44 : 10,734.72 = 2,773.92 : x
  2. Step 2: Convert to fraction form
    7,156.44/10,734.72 = 2,773.92/x
  3. Step 3: Cross multiply
    7,156.44x = 10,734.72 × 2,773.92
  4. Step 4: Simplify right side
    7,156.44x = 29,777,254.50
  5. Step 5: Solve for x
    x = 29,777,254.50/7,156.44
  6. Step 6: Final answer
    x = 4,160.90

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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.