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Finding the Fourth Proportional to 51,755.25, 77,248.92 and 44,608.89

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Solution

The fourth proportional to 51,755.25, 77,248.92 and 44,608.89 is: 66,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,755.25 : 77,248.92 = 44,608.89 : x
  2. Step 2: Convert to fraction form
    51,755.25/77,248.92 = 44,608.89/x
  3. Step 3: Cross multiply
    51,755.25x = 77,248.92 × 44,608.89
  4. Step 4: Simplify right side
    51,755.25x = 3,445,988,351.85
  5. Step 5: Solve for x
    x = 3,445,988,351.85/51,755.25
  6. Step 6: Final answer
    x = 66,582.39

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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.