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Finding the Fourth Proportional to 3,395.56, 5,092.50 and 1,447.56

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Solution

The fourth proportional to 3,395.56, 5,092.50 and 1,447.56 is: 2,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.56 : 5,092.50 = 1,447.56 : x
  2. Step 2: Convert to fraction form
    3,395.56/5,092.50 = 1,447.56/x
  3. Step 3: Cross multiply
    3,395.56x = 5,092.50 × 1,447.56
  4. Step 4: Simplify right side
    3,395.56x = 7,371,699.30
  5. Step 5: Solve for x
    x = 7,371,699.30/3,395.56
  6. Step 6: Final answer
    x = 2,170.98

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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.