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Finding the Fourth Proportional to 5,471.95, 8,207.97 and 3,397.99

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Solution

The fourth proportional to 5,471.95, 8,207.97 and 3,397.99 is: 5,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.95 : 8,207.97 = 3,397.99 : x
  2. Step 2: Convert to fraction form
    5,471.95/8,207.97 = 3,397.99/x
  3. Step 3: Cross multiply
    5,471.95x = 8,207.97 × 3,397.99
  4. Step 4: Simplify right side
    5,471.95x = 27,890,599.98
  5. Step 5: Solve for x
    x = 27,890,599.98/5,471.95
  6. Step 6: Final answer
    x = 5,097.01

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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.