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Finding the Fourth Proportional to 2,272.00, 3,408.52 and 711.97

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Solution

The fourth proportional to 2,272.00, 3,408.52 and 711.97 is: 1,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.00 : 3,408.52 = 711.97 : x
  2. Step 2: Convert to fraction form
    2,272.00/3,408.52 = 711.97/x
  3. Step 3: Cross multiply
    2,272.00x = 3,408.52 × 711.97
  4. Step 4: Simplify right side
    2,272.00x = 2,426,764.87
  5. Step 5: Solve for x
    x = 2,426,764.87/2,272.00
  6. Step 6: Final answer
    x = 1,068.12

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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.