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Finding the Fourth Proportional to 16,814.62, 25,228.74 and 8,926.03

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Solution

The fourth proportional to 16,814.62, 25,228.74 and 8,926.03 is: 13,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.62 : 25,228.74 = 8,926.03 : x
  2. Step 2: Convert to fraction form
    16,814.62/25,228.74 = 8,926.03/x
  3. Step 3: Cross multiply
    16,814.62x = 25,228.74 × 8,926.03
  4. Step 4: Simplify right side
    16,814.62x = 225,192,490.10
  5. Step 5: Solve for x
    x = 225,192,490.10/16,814.62
  6. Step 6: Final answer
    x = 13,392.66

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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.