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Finding the Fourth Proportional to 24,474.70, 36,721.65 and 8,893.90

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Solution

The fourth proportional to 24,474.70, 36,721.65 and 8,893.90 is: 13,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,474.70 : 36,721.65 = 8,893.90 : x
  2. Step 2: Convert to fraction form
    24,474.70/36,721.65 = 8,893.90/x
  3. Step 3: Cross multiply
    24,474.70x = 36,721.65 × 8,893.90
  4. Step 4: Simplify right side
    24,474.70x = 326,598,682.94
  5. Step 5: Solve for x
    x = 326,598,682.94/24,474.70
  6. Step 6: Final answer
    x = 13,344.34

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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.