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Finding the Fourth Proportional to 3,195.07, 4,792.63 and 1,115.07

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Solution

The fourth proportional to 3,195.07, 4,792.63 and 1,115.07 is: 1,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.07 : 4,792.63 = 1,115.07 : x
  2. Step 2: Convert to fraction form
    3,195.07/4,792.63 = 1,115.07/x
  3. Step 3: Cross multiply
    3,195.07x = 4,792.63 × 1,115.07
  4. Step 4: Simplify right side
    3,195.07x = 5,344,117.93
  5. Step 5: Solve for x
    x = 5,344,117.93/3,195.07
  6. Step 6: Final answer
    x = 1,672.61

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Similar ratio
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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.