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Finding the Fourth Proportional to 61,070.34, 91,594.56 and 27,791.48

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Solution

The fourth proportional to 61,070.34, 91,594.56 and 27,791.48 is: 41,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,070.34 : 91,594.56 = 27,791.48 : x
  2. Step 2: Convert to fraction form
    61,070.34/91,594.56 = 27,791.48/x
  3. Step 3: Cross multiply
    61,070.34x = 91,594.56 × 27,791.48
  4. Step 4: Simplify right side
    61,070.34x = 2,545,548,382.35
  5. Step 5: Solve for x
    x = 2,545,548,382.35/61,070.34
  6. Step 6: Final answer
    x = 41,682.24

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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.