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Finding the Fourth Proportional to 24,479.82, 36,644.40 and 19,755.90

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Solution

The fourth proportional to 24,479.82, 36,644.40 and 19,755.90 is: 29,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,479.82 : 36,644.40 = 19,755.90 : x
  2. Step 2: Convert to fraction form
    24,479.82/36,644.40 = 19,755.90/x
  3. Step 3: Cross multiply
    24,479.82x = 36,644.40 × 19,755.90
  4. Step 4: Simplify right side
    24,479.82x = 723,943,101.96
  5. Step 5: Solve for x
    x = 723,943,101.96/24,479.82
  6. Step 6: Final answer
    x = 29,573.06

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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.