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Finding the Fourth Proportional to 3,950.72, 5,924.80 and 2,196.56

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Solution

The fourth proportional to 3,950.72, 5,924.80 and 2,196.56 is: 3,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.72 : 5,924.80 = 2,196.56 : x
  2. Step 2: Convert to fraction form
    3,950.72/5,924.80 = 2,196.56/x
  3. Step 3: Cross multiply
    3,950.72x = 5,924.80 × 2,196.56
  4. Step 4: Simplify right side
    3,950.72x = 13,014,138.08
  5. Step 5: Solve for x
    x = 13,014,138.08/3,950.72
  6. Step 6: Final answer
    x = 3,294.12

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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.