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Finding the Fourth Proportional to 51,855.54, 77,844.82 and 43,637.89

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Solution

The fourth proportional to 51,855.54, 77,844.82 and 43,637.89 is: 65,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,855.54 : 77,844.82 = 43,637.89 : x
  2. Step 2: Convert to fraction form
    51,855.54/77,844.82 = 43,637.89/x
  3. Step 3: Cross multiply
    51,855.54x = 77,844.82 × 43,637.89
  4. Step 4: Simplify right side
    51,855.54x = 3,396,983,388.52
  5. Step 5: Solve for x
    x = 3,396,983,388.52/51,855.54
  6. Step 6: Final answer
    x = 65,508.59

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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.