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Finding the Fourth Proportional to 5,471.69, 8,207.58 and 2,351.48

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Solution

The fourth proportional to 5,471.69, 8,207.58 and 2,351.48 is: 3,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.69 : 8,207.58 = 2,351.48 : x
  2. Step 2: Convert to fraction form
    5,471.69/8,207.58 = 2,351.48/x
  3. Step 3: Cross multiply
    5,471.69x = 8,207.58 × 2,351.48
  4. Step 4: Simplify right side
    5,471.69x = 19,299,960.22
  5. Step 5: Solve for x
    x = 19,299,960.22/5,471.69
  6. Step 6: Final answer
    x = 3,527.24

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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.