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Finding the Fourth Proportional to 61,187.06, 91,743.62 and 27,446.90

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Solution

The fourth proportional to 61,187.06, 91,743.62 and 27,446.90 is: 41,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,187.06 : 91,743.62 = 27,446.90 : x
  2. Step 2: Convert to fraction form
    61,187.06/91,743.62 = 27,446.90/x
  3. Step 3: Cross multiply
    61,187.06x = 91,743.62 × 27,446.90
  4. Step 4: Simplify right side
    61,187.06x = 2,518,077,963.78
  5. Step 5: Solve for x
    x = 2,518,077,963.78/61,187.06
  6. Step 6: Final answer
    x = 41,153.77

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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.