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Finding the Fourth Proportional to 55,876, 77,091.60 and 37,023.52

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Solution

The fourth proportional to 55,876, 77,091.60 and 37,023.52 is: 51,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,876 : 77,091.60 = 37,023.52 : x
  2. Step 2: Convert to fraction form
    55,876/77,091.60 = 37,023.52/x
  3. Step 3: Cross multiply
    55,876x = 77,091.60 × 37,023.52
  4. Step 4: Simplify right side
    55,876x = 2,854,202,394.43
  5. Step 5: Solve for x
    x = 2,854,202,394.43/55,876
  6. Step 6: Final answer
    x = 51,081.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.