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Finding the Fourth Proportional to 61,919.83, 92,801.58 and 33,781.24

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Solution

The fourth proportional to 61,919.83, 92,801.58 and 33,781.24 is: 50,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,919.83 : 92,801.58 = 33,781.24 : x
  2. Step 2: Convert to fraction form
    61,919.83/92,801.58 = 33,781.24/x
  3. Step 3: Cross multiply
    61,919.83x = 92,801.58 × 33,781.24
  4. Step 4: Simplify right side
    61,919.83x = 3,134,952,446.36
  5. Step 5: Solve for x
    x = 3,134,952,446.36/61,919.83
  6. Step 6: Final answer
    x = 50,629.22

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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.