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Finding the Fourth Proportional to 60,675.82, 90,942.26 and 27,356.87

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Solution

The fourth proportional to 60,675.82, 90,942.26 and 27,356.87 is: 41,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,675.82 : 90,942.26 = 27,356.87 : x
  2. Step 2: Convert to fraction form
    60,675.82/90,942.26 = 27,356.87/x
  3. Step 3: Cross multiply
    60,675.82x = 90,942.26 × 27,356.87
  4. Step 4: Simplify right side
    60,675.82x = 2,487,895,674.90
  5. Step 5: Solve for x
    x = 2,487,895,674.90/60,675.82
  6. Step 6: Final answer
    x = 41,003.08

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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.