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Finding the Fourth Proportional to 29,366.78, 44,049.78 and 7,180.35

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Solution

The fourth proportional to 29,366.78, 44,049.78 and 7,180.35 is: 10,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,366.78 : 44,049.78 = 7,180.35 : x
  2. Step 2: Convert to fraction form
    29,366.78/44,049.78 = 7,180.35/x
  3. Step 3: Cross multiply
    29,366.78x = 44,049.78 × 7,180.35
  4. Step 4: Simplify right side
    29,366.78x = 316,292,837.82
  5. Step 5: Solve for x
    x = 316,292,837.82/29,366.78
  6. Step 6: Final answer
    x = 10,770.43

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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.