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Finding the Fourth Proportional to 16,508.94, 24,760.97 and 5,424.49

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Solution

The fourth proportional to 16,508.94, 24,760.97 and 5,424.49 is: 8,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,508.94 : 24,760.97 = 5,424.49 : x
  2. Step 2: Convert to fraction form
    16,508.94/24,760.97 = 5,424.49/x
  3. Step 3: Cross multiply
    16,508.94x = 24,760.97 × 5,424.49
  4. Step 4: Simplify right side
    16,508.94x = 134,315,634.16
  5. Step 5: Solve for x
    x = 134,315,634.16/16,508.94
  6. Step 6: Final answer
    x = 8,135.93

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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.