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Finding the Fourth Proportional to 57,449.64, 86,173.82 and 22,413.90

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Solution

The fourth proportional to 57,449.64, 86,173.82 and 22,413.90 is: 33,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,449.64 : 86,173.82 = 22,413.90 : x
  2. Step 2: Convert to fraction form
    57,449.64/86,173.82 = 22,413.90/x
  3. Step 3: Cross multiply
    57,449.64x = 86,173.82 × 22,413.90
  4. Step 4: Simplify right side
    57,449.64x = 1,931,491,272.03
  5. Step 5: Solve for x
    x = 1,931,491,272.03/57,449.64
  6. Step 6: Final answer
    x = 33,620.60

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1.5x scale

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.