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Finding the Fourth Proportional to 3,661.32, 5,491.32 and 1,195.59

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Solution

The fourth proportional to 3,661.32, 5,491.32 and 1,195.59 is: 1,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.32 : 5,491.32 = 1,195.59 : x
  2. Step 2: Convert to fraction form
    3,661.32/5,491.32 = 1,195.59/x
  3. Step 3: Cross multiply
    3,661.32x = 5,491.32 × 1,195.59
  4. Step 4: Simplify right side
    3,661.32x = 6,565,367.28
  5. Step 5: Solve for x
    x = 6,565,367.28/3,661.32
  6. Step 6: Final answer
    x = 1,793.17

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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.