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Finding the Fourth Proportional to 3,649.44, 5,474.16 and 1,052.49

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Solution

The fourth proportional to 3,649.44, 5,474.16 and 1,052.49 is: 1,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.44 : 5,474.16 = 1,052.49 : x
  2. Step 2: Convert to fraction form
    3,649.44/5,474.16 = 1,052.49/x
  3. Step 3: Cross multiply
    3,649.44x = 5,474.16 × 1,052.49
  4. Step 4: Simplify right side
    3,649.44x = 5,761,498.66
  5. Step 5: Solve for x
    x = 5,761,498.66/3,649.44
  6. Step 6: Final answer
    x = 1,578.74

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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.