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Finding the Fourth Proportional to 3,353.44, 5,029.44 and 1,161.76

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Solution

The fourth proportional to 3,353.44, 5,029.44 and 1,161.76 is: 1,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.44 : 5,029.44 = 1,161.76 : x
  2. Step 2: Convert to fraction form
    3,353.44/5,029.44 = 1,161.76/x
  3. Step 3: Cross multiply
    3,353.44x = 5,029.44 × 1,161.76
  4. Step 4: Simplify right side
    3,353.44x = 5,843,002.21
  5. Step 5: Solve for x
    x = 5,843,002.21/3,353.44
  6. Step 6: Final answer
    x = 1,742.39

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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.