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Finding the Fourth Proportional to 16,660.26, 24,978.05 and 10,084.89

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Solution

The fourth proportional to 16,660.26, 24,978.05 and 10,084.89 is: 15,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.26 : 24,978.05 = 10,084.89 : x
  2. Step 2: Convert to fraction form
    16,660.26/24,978.05 = 10,084.89/x
  3. Step 3: Cross multiply
    16,660.26x = 24,978.05 × 10,084.89
  4. Step 4: Simplify right side
    16,660.26x = 251,900,836.24
  5. Step 5: Solve for x
    x = 251,900,836.24/16,660.26
  6. Step 6: Final answer
    x = 15,119.86

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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.