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Finding the Fourth Proportional to 29,991.78, 44,745.17 and 27,002.61

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Solution

The fourth proportional to 29,991.78, 44,745.17 and 27,002.61 is: 40,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,991.78 : 44,745.17 = 27,002.61 : x
  2. Step 2: Convert to fraction form
    29,991.78/44,745.17 = 27,002.61/x
  3. Step 3: Cross multiply
    29,991.78x = 44,745.17 × 27,002.61
  4. Step 4: Simplify right side
    29,991.78x = 1,208,236,374.89
  5. Step 5: Solve for x
    x = 1,208,236,374.89/29,991.78
  6. Step 6: Final answer
    x = 40,285.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.