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Finding the Fourth Proportional to 3,356.78, 5,032.07 and 1,797.85

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Solution

The fourth proportional to 3,356.78, 5,032.07 and 1,797.85 is: 2,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.78 : 5,032.07 = 1,797.85 : x
  2. Step 2: Convert to fraction form
    3,356.78/5,032.07 = 1,797.85/x
  3. Step 3: Cross multiply
    3,356.78x = 5,032.07 × 1,797.85
  4. Step 4: Simplify right side
    3,356.78x = 9,046,892.90
  5. Step 5: Solve for x
    x = 9,046,892.90/3,356.78
  6. Step 6: Final answer
    x = 2,695.11

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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.