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Finding the Fourth Proportional to 5,443.38, 7,512.03 and 3,053.34

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Solution

The fourth proportional to 5,443.38, 7,512.03 and 3,053.34 is: 4,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.38 : 7,512.03 = 3,053.34 : x
  2. Step 2: Convert to fraction form
    5,443.38/7,512.03 = 3,053.34/x
  3. Step 3: Cross multiply
    5,443.38x = 7,512.03 × 3,053.34
  4. Step 4: Simplify right side
    5,443.38x = 22,936,781.68
  5. Step 5: Solve for x
    x = 22,936,781.68/5,443.38
  6. Step 6: Final answer
    x = 4,213.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.