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Finding the Fourth Proportional to 61,262.70, 91,870.26 and 23,817.78

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Solution

The fourth proportional to 61,262.70, 91,870.26 and 23,817.78 is: 35,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,262.70 : 91,870.26 = 23,817.78 : x
  2. Step 2: Convert to fraction form
    61,262.70/91,870.26 = 23,817.78/x
  3. Step 3: Cross multiply
    61,262.70x = 91,870.26 × 23,817.78
  4. Step 4: Simplify right side
    61,262.70x = 2,188,145,641.22
  5. Step 5: Solve for x
    x = 2,188,145,641.22/61,262.70
  6. Step 6: Final answer
    x = 35,717.42

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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.