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Finding the Fourth Proportional to 24,521.67, 36,787.95 and 8,939.25

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Solution

The fourth proportional to 24,521.67, 36,787.95 and 8,939.25 is: 13,410.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,521.67 : 36,787.95 = 8,939.25 : x
  2. Step 2: Convert to fraction form
    24,521.67/36,787.95 = 8,939.25/x
  3. Step 3: Cross multiply
    24,521.67x = 36,787.95 × 8,939.25
  4. Step 4: Simplify right side
    24,521.67x = 328,856,682.04
  5. Step 5: Solve for x
    x = 328,856,682.04/24,521.67
  6. Step 6: Final answer
    x = 13,410.86

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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.