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Finding the Fourth Proportional to 16,247.78, 24,371.64 and 3,935.78

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Solution

The fourth proportional to 16,247.78, 24,371.64 and 3,935.78 is: 5,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.78 : 24,371.64 = 3,935.78 : x
  2. Step 2: Convert to fraction form
    16,247.78/24,371.64 = 3,935.78/x
  3. Step 3: Cross multiply
    16,247.78x = 24,371.64 × 3,935.78
  4. Step 4: Simplify right side
    16,247.78x = 95,921,413.28
  5. Step 5: Solve for x
    x = 95,921,413.28/16,247.78
  6. Step 6: Final answer
    x = 5,903.66

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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.