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Finding the Fourth Proportional to 3,195.92, 4,793.72 and 1,547.47

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Solution

The fourth proportional to 3,195.92, 4,793.72 and 1,547.47 is: 2,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.92 : 4,793.72 = 1,547.47 : x
  2. Step 2: Convert to fraction form
    3,195.92/4,793.72 = 1,547.47/x
  3. Step 3: Cross multiply
    3,195.92x = 4,793.72 × 1,547.47
  4. Step 4: Simplify right side
    3,195.92x = 7,418,136.14
  5. Step 5: Solve for x
    x = 7,418,136.14/3,195.92
  6. Step 6: Final answer
    x = 2,321.13

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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.