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Finding the Fourth Proportional to 2,432.80, 3,649.22 and 701.48

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Solution

The fourth proportional to 2,432.80, 3,649.22 and 701.48 is: 1,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.80 : 3,649.22 = 701.48 : x
  2. Step 2: Convert to fraction form
    2,432.80/3,649.22 = 701.48/x
  3. Step 3: Cross multiply
    2,432.80x = 3,649.22 × 701.48
  4. Step 4: Simplify right side
    2,432.80x = 2,559,854.85
  5. Step 5: Solve for x
    x = 2,559,854.85/2,432.80
  6. Step 6: Final answer
    x = 1,052.23

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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.