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Finding the Fourth Proportional to 3,612.02, 5,407.76 and 2,375.71

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Solution

The fourth proportional to 3,612.02, 5,407.76 and 2,375.71 is: 3,556.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.02 : 5,407.76 = 2,375.71 : x
  2. Step 2: Convert to fraction form
    3,612.02/5,407.76 = 2,375.71/x
  3. Step 3: Cross multiply
    3,612.02x = 5,407.76 × 2,375.71
  4. Step 4: Simplify right side
    3,612.02x = 12,847,257.63
  5. Step 5: Solve for x
    x = 12,847,257.63/3,612.02
  6. Step 6: Final answer
    x = 3,556.81

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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.