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Finding the Fourth Proportional to 61,791.55, 92,665.40 and 26,712.07

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Solution

The fourth proportional to 61,791.55, 92,665.40 and 26,712.07 is: 40,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,791.55 : 92,665.40 = 26,712.07 : x
  2. Step 2: Convert to fraction form
    61,791.55/92,665.40 = 26,712.07/x
  3. Step 3: Cross multiply
    61,791.55x = 92,665.40 × 26,712.07
  4. Step 4: Simplify right side
    61,791.55x = 2,475,284,651.38
  5. Step 5: Solve for x
    x = 2,475,284,651.38/61,791.55
  6. Step 6: Final answer
    x = 40,058.63

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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.