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Finding the Fourth Proportional to 3,188.79, 4,773.17 and 2,014.74

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Solution

The fourth proportional to 3,188.79, 4,773.17 and 2,014.74 is: 3,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.79 : 4,773.17 = 2,014.74 : x
  2. Step 2: Convert to fraction form
    3,188.79/4,773.17 = 2,014.74/x
  3. Step 3: Cross multiply
    3,188.79x = 4,773.17 × 2,014.74
  4. Step 4: Simplify right side
    3,188.79x = 9,616,701.56
  5. Step 5: Solve for x
    x = 9,616,701.56/3,188.79
  6. Step 6: Final answer
    x = 3,015.78

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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.