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Finding the Fourth Proportional to 44,596.78, 66,906.28 and 31,474.78

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Solution

The fourth proportional to 44,596.78, 66,906.28 and 31,474.78 is: 47,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,596.78 : 66,906.28 = 31,474.78 : x
  2. Step 2: Convert to fraction form
    44,596.78/66,906.28 = 31,474.78/x
  3. Step 3: Cross multiply
    44,596.78x = 66,906.28 × 31,474.78
  4. Step 4: Simplify right side
    44,596.78x = 2,105,860,443.62
  5. Step 5: Solve for x
    x = 2,105,860,443.62/44,596.78
  6. Step 6: Final answer
    x = 47,220.01

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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.