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Finding the Fourth Proportional to 42,023.92, 57,992.88 and 23,161.04

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Solution

The fourth proportional to 42,023.92, 57,992.88 and 23,161.04 is: 31,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023.92 : 57,992.88 = 23,161.04 : x
  2. Step 2: Convert to fraction form
    42,023.92/57,992.88 = 23,161.04/x
  3. Step 3: Cross multiply
    42,023.92x = 57,992.88 × 23,161.04
  4. Step 4: Simplify right side
    42,023.92x = 1,343,175,413.40
  5. Step 5: Solve for x
    x = 1,343,175,413.40/42,023.92
  6. Step 6: Final answer
    x = 31,962.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.