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Finding the Fourth Proportional to 16,653.52, 24,972.96 and 8,860.48

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Solution

The fourth proportional to 16,653.52, 24,972.96 and 8,860.48 is: 13,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.52 : 24,972.96 = 8,860.48 : x
  2. Step 2: Convert to fraction form
    16,653.52/24,972.96 = 8,860.48/x
  3. Step 3: Cross multiply
    16,653.52x = 24,972.96 × 8,860.48
  4. Step 4: Simplify right side
    16,653.52x = 221,272,412.62
  5. Step 5: Solve for x
    x = 221,272,412.62/16,653.52
  6. Step 6: Final answer
    x = 13,286.83

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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.