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Finding the Fourth Proportional to 34,161.64, 51,244.89 and 10,787.88

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Solution

The fourth proportional to 34,161.64, 51,244.89 and 10,787.88 is: 16,182.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,161.64 : 51,244.89 = 10,787.88 : x
  2. Step 2: Convert to fraction form
    34,161.64/51,244.89 = 10,787.88/x
  3. Step 3: Cross multiply
    34,161.64x = 51,244.89 × 10,787.88
  4. Step 4: Simplify right side
    34,161.64x = 552,823,723.93
  5. Step 5: Solve for x
    x = 552,823,723.93/34,161.64
  6. Step 6: Final answer
    x = 16,182.59

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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.