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Finding the Fourth Proportional to 3,950.68, 5,926.64 and 2,391.82

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Solution

The fourth proportional to 3,950.68, 5,926.64 and 2,391.82 is: 3,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.68 : 5,926.64 = 2,391.82 : x
  2. Step 2: Convert to fraction form
    3,950.68/5,926.64 = 2,391.82/x
  3. Step 3: Cross multiply
    3,950.68x = 5,926.64 × 2,391.82
  4. Step 4: Simplify right side
    3,950.68x = 14,175,456.08
  5. Step 5: Solve for x
    x = 14,175,456.08/3,950.68
  6. Step 6: Final answer
    x = 3,588.11

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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.