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Finding the Fourth Proportional to 61,261.20, 91,891.80 and 24,325.20

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Solution

The fourth proportional to 61,261.20, 91,891.80 and 24,325.20 is: 36,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,261.20 : 91,891.80 = 24,325.20 : x
  2. Step 2: Convert to fraction form
    61,261.20/91,891.80 = 24,325.20/x
  3. Step 3: Cross multiply
    61,261.20x = 91,891.80 × 24,325.20
  4. Step 4: Simplify right side
    61,261.20x = 2,235,286,413.36
  5. Step 5: Solve for x
    x = 2,235,286,413.36/61,261.20
  6. Step 6: Final answer
    x = 36,487.80

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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.