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Finding the Fourth Proportional to 3,398.55, 5,098.64 and 1,550.22

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Solution

The fourth proportional to 3,398.55, 5,098.64 and 1,550.22 is: 2,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.55 : 5,098.64 = 1,550.22 : x
  2. Step 2: Convert to fraction form
    3,398.55/5,098.64 = 1,550.22/x
  3. Step 3: Cross multiply
    3,398.55x = 5,098.64 × 1,550.22
  4. Step 4: Simplify right side
    3,398.55x = 7,904,005.95
  5. Step 5: Solve for x
    x = 7,904,005.95/3,398.55
  6. Step 6: Final answer
    x = 2,325.70

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1.5x scale

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.