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Finding the Fourth Proportional to 35,993.96, 49,671.98 and 19,861.98

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Solution

The fourth proportional to 35,993.96, 49,671.98 and 19,861.98 is: 27,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,993.96 : 49,671.98 = 19,861.98 : x
  2. Step 2: Convert to fraction form
    35,993.96/49,671.98 = 19,861.98/x
  3. Step 3: Cross multiply
    35,993.96x = 49,671.98 × 19,861.98
  4. Step 4: Simplify right side
    35,993.96x = 986,583,873.32
  5. Step 5: Solve for x
    x = 986,583,873.32/35,993.96
  6. Step 6: Final answer
    x = 27,409.71

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Why These Related Problems?

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