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Finding the Fourth Proportional to 29,921.31, 44,868.29 and 8,853.86

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Solution

The fourth proportional to 29,921.31, 44,868.29 and 8,853.86 is: 13,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,921.31 : 44,868.29 = 8,853.86 : x
  2. Step 2: Convert to fraction form
    29,921.31/44,868.29 = 8,853.86/x
  3. Step 3: Cross multiply
    29,921.31x = 44,868.29 × 8,853.86
  4. Step 4: Simplify right side
    29,921.31x = 397,257,289.49
  5. Step 5: Solve for x
    x = 397,257,289.49/29,921.31
  6. Step 6: Final answer
    x = 13,276.73

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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.