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Finding the Fourth Proportional to 60,753.36, 91,125.12 and 27,029.84

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Solution

The fourth proportional to 60,753.36, 91,125.12 and 27,029.84 is: 40,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,753.36 : 91,125.12 = 27,029.84 : x
  2. Step 2: Convert to fraction form
    60,753.36/91,125.12 = 27,029.84/x
  3. Step 3: Cross multiply
    60,753.36x = 91,125.12 × 27,029.84
  4. Step 4: Simplify right side
    60,753.36x = 2,463,097,413.58
  5. Step 5: Solve for x
    x = 2,463,097,413.58/60,753.36
  6. Step 6: Final answer
    x = 40,542.57

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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.