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Finding the Fourth Proportional to 61,746.22, 85,209.92 and 33,451.91

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Solution

The fourth proportional to 61,746.22, 85,209.92 and 33,451.91 is: 46,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,746.22 : 85,209.92 = 33,451.91 : x
  2. Step 2: Convert to fraction form
    61,746.22/85,209.92 = 33,451.91/x
  3. Step 3: Cross multiply
    61,746.22x = 85,209.92 × 33,451.91
  4. Step 4: Simplify right side
    61,746.22x = 2,850,434,232.53
  5. Step 5: Solve for x
    x = 2,850,434,232.53/61,746.22
  6. Step 6: Final answer
    x = 46,163.71

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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.