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Finding the Fourth Proportional to 3,350.40, 5,027.04 and 1,403.04

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Solution

The fourth proportional to 3,350.40, 5,027.04 and 1,403.04 is: 2,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.40 : 5,027.04 = 1,403.04 : x
  2. Step 2: Convert to fraction form
    3,350.40/5,027.04 = 1,403.04/x
  3. Step 3: Cross multiply
    3,350.40x = 5,027.04 × 1,403.04
  4. Step 4: Simplify right side
    3,350.40x = 7,053,138.20
  5. Step 5: Solve for x
    x = 7,053,138.20/3,350.40
  6. Step 6: Final answer
    x = 2,105.16

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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.