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Finding the Fourth Proportional to 61,791.76, 85,272.42 and 33,497.38

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Solution

The fourth proportional to 61,791.76, 85,272.42 and 33,497.38 is: 46,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,791.76 : 85,272.42 = 33,497.38 : x
  2. Step 2: Convert to fraction form
    61,791.76/85,272.42 = 33,497.38/x
  3. Step 3: Cross multiply
    61,791.76x = 85,272.42 × 33,497.38
  4. Step 4: Simplify right side
    61,791.76x = 2,856,402,656.26
  5. Step 5: Solve for x
    x = 2,856,402,656.26/61,791.76
  6. Step 6: Final answer
    x = 46,226.27

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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.