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Finding the Fourth Proportional to 61,164.90, 91,761.93 and 27,894.96

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Solution

The fourth proportional to 61,164.90, 91,761.93 and 27,894.96 is: 41,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,164.90 : 91,761.93 = 27,894.96 : x
  2. Step 2: Convert to fraction form
    61,164.90/91,761.93 = 27,894.96/x
  3. Step 3: Cross multiply
    61,164.90x = 91,761.93 × 27,894.96
  4. Step 4: Simplify right side
    61,164.90x = 2,559,695,366.87
  5. Step 5: Solve for x
    x = 2,559,695,366.87/61,164.90
  6. Step 6: Final answer
    x = 41,849.09

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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.