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Finding the Fourth Proportional to 16,751.82, 25,104.48 and 7,377.78

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Solution

The fourth proportional to 16,751.82, 25,104.48 and 7,377.78 is: 11,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.82 : 25,104.48 = 7,377.78 : x
  2. Step 2: Convert to fraction form
    16,751.82/25,104.48 = 7,377.78/x
  3. Step 3: Cross multiply
    16,751.82x = 25,104.48 × 7,377.78
  4. Step 4: Simplify right side
    16,751.82x = 185,215,330.45
  5. Step 5: Solve for x
    x = 185,215,330.45/16,751.82
  6. Step 6: Final answer
    x = 11,056.43

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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.