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Finding the Fourth Proportional to 3,661.32, 5,493.78 and 1,471.62

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Solution

The fourth proportional to 3,661.32, 5,493.78 and 1,471.62 is: 2,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.32 : 5,493.78 = 1,471.62 : x
  2. Step 2: Convert to fraction form
    3,661.32/5,493.78 = 1,471.62/x
  3. Step 3: Cross multiply
    3,661.32x = 5,493.78 × 1,471.62
  4. Step 4: Simplify right side
    3,661.32x = 8,084,756.52
  5. Step 5: Solve for x
    x = 8,084,756.52/3,661.32
  6. Step 6: Final answer
    x = 2,208.15

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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.