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Finding the Fourth Proportional to 5,443.46, 7,512.05 and 3,053.96

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Solution

The fourth proportional to 5,443.46, 7,512.05 and 3,053.96 is: 4,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.46 : 7,512.05 = 3,053.96 : x
  2. Step 2: Convert to fraction form
    5,443.46/7,512.05 = 3,053.96/x
  3. Step 3: Cross multiply
    5,443.46x = 7,512.05 × 3,053.96
  4. Step 4: Simplify right side
    5,443.46x = 22,941,500.22
  5. Step 5: Solve for x
    x = 22,941,500.22/5,443.46
  6. Step 6: Final answer
    x = 4,214.51

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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.