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Finding the Fourth Proportional to 14,932.40, 22,379.40 and 11,452.40

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Solution

The fourth proportional to 14,932.40, 22,379.40 and 11,452.40 is: 17,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.40 : 22,379.40 = 11,452.40 : x
  2. Step 2: Convert to fraction form
    14,932.40/22,379.40 = 11,452.40/x
  3. Step 3: Cross multiply
    14,932.40x = 22,379.40 × 11,452.40
  4. Step 4: Simplify right side
    14,932.40x = 256,297,840.56
  5. Step 5: Solve for x
    x = 256,297,840.56/14,932.40
  6. Step 6: Final answer
    x = 17,163.87

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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.