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Finding the Fourth Proportional to 3,398.64, 5,093.64 and 1,550.76

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Solution

The fourth proportional to 3,398.64, 5,093.64 and 1,550.76 is: 2,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.64 : 5,093.64 = 1,550.76 : x
  2. Step 2: Convert to fraction form
    3,398.64/5,093.64 = 1,550.76/x
  3. Step 3: Cross multiply
    3,398.64x = 5,093.64 × 1,550.76
  4. Step 4: Simplify right side
    3,398.64x = 7,899,013.17
  5. Step 5: Solve for x
    x = 7,899,013.17/3,398.64
  6. Step 6: Final answer
    x = 2,324.17

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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.