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Finding the Fourth Proportional to 18,564.88, 27,846.90 and 4,524.76

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Solution

The fourth proportional to 18,564.88, 27,846.90 and 4,524.76 is: 6,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.88 : 27,846.90 = 4,524.76 : x
  2. Step 2: Convert to fraction form
    18,564.88/27,846.90 = 4,524.76/x
  3. Step 3: Cross multiply
    18,564.88x = 27,846.90 × 4,524.76
  4. Step 4: Simplify right side
    18,564.88x = 126,000,539.24
  5. Step 5: Solve for x
    x = 126,000,539.24/18,564.88
  6. Step 6: Final answer
    x = 6,787.04

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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.