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Finding the Fourth Proportional to 2,200.47, 3,301.04 and 739.96

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Solution

The fourth proportional to 2,200.47, 3,301.04 and 739.96 is: 1,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.47 : 3,301.04 = 739.96 : x
  2. Step 2: Convert to fraction form
    2,200.47/3,301.04 = 739.96/x
  3. Step 3: Cross multiply
    2,200.47x = 3,301.04 × 739.96
  4. Step 4: Simplify right side
    2,200.47x = 2,442,637.56
  5. Step 5: Solve for x
    x = 2,442,637.56/2,200.47
  6. Step 6: Final answer
    x = 1,110.05

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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.