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Finding the Fourth Proportional to 5,493.41, 7,581.31 and 3,103.65

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Solution

The fourth proportional to 5,493.41, 7,581.31 and 3,103.65 is: 4,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.41 : 7,581.31 = 3,103.65 : x
  2. Step 2: Convert to fraction form
    5,493.41/7,581.31 = 3,103.65/x
  3. Step 3: Cross multiply
    5,493.41x = 7,581.31 × 3,103.65
  4. Step 4: Simplify right side
    5,493.41x = 23,529,732.78
  5. Step 5: Solve for x
    x = 23,529,732.78/5,493.41
  6. Step 6: Final answer
    x = 4,283.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.