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Finding the Fourth Proportional to 3,035.17, 4,552.76 and 843.90

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Solution

The fourth proportional to 3,035.17, 4,552.76 and 843.90 is: 1,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.17 : 4,552.76 = 843.90 : x
  2. Step 2: Convert to fraction form
    3,035.17/4,552.76 = 843.90/x
  3. Step 3: Cross multiply
    3,035.17x = 4,552.76 × 843.90
  4. Step 4: Simplify right side
    3,035.17x = 3,842,074.16
  5. Step 5: Solve for x
    x = 3,842,074.16/3,035.17
  6. Step 6: Final answer
    x = 1,265.85

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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.