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Finding the Fourth Proportional to 3,502.67, 5,254.70 and 1,944.90

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Solution

The fourth proportional to 3,502.67, 5,254.70 and 1,944.90 is: 2,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.67 : 5,254.70 = 1,944.90 : x
  2. Step 2: Convert to fraction form
    3,502.67/5,254.70 = 1,944.90/x
  3. Step 3: Cross multiply
    3,502.67x = 5,254.70 × 1,944.90
  4. Step 4: Simplify right side
    3,502.67x = 10,219,856.31
  5. Step 5: Solve for x
    x = 10,219,856.31/3,502.67
  6. Step 6: Final answer
    x = 2,917.74

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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.