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Finding the Fourth Proportional to 23,291.70, 34,926.80 and 7,493.79

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Solution

The fourth proportional to 23,291.70, 34,926.80 and 7,493.79 is: 11,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.70 : 34,926.80 = 7,493.79 : x
  2. Step 2: Convert to fraction form
    23,291.70/34,926.80 = 7,493.79/x
  3. Step 3: Cross multiply
    23,291.70x = 34,926.80 × 7,493.79
  4. Step 4: Simplify right side
    23,291.70x = 261,734,067.10
  5. Step 5: Solve for x
    x = 261,734,067.10/23,291.70
  6. Step 6: Final answer
    x = 11,237.22

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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.