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Finding the Fourth Proportional to 3,395.66, 5,086.55 and 1,748.75

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Solution

The fourth proportional to 3,395.66, 5,086.55 and 1,748.75 is: 2,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.66 : 5,086.55 = 1,748.75 : x
  2. Step 2: Convert to fraction form
    3,395.66/5,086.55 = 1,748.75/x
  3. Step 3: Cross multiply
    3,395.66x = 5,086.55 × 1,748.75
  4. Step 4: Simplify right side
    3,395.66x = 8,895,070.14
  5. Step 5: Solve for x
    x = 8,895,070.14/3,395.66
  6. Step 6: Final answer
    x = 2,619.54

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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.