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Finding the Fourth Proportional to 16,489.46, 24,736.79 and 5,393.54

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Solution

The fourth proportional to 16,489.46, 24,736.79 and 5,393.54 is: 8,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.46 : 24,736.79 = 5,393.54 : x
  2. Step 2: Convert to fraction form
    16,489.46/24,736.79 = 5,393.54/x
  3. Step 3: Cross multiply
    16,489.46x = 24,736.79 × 5,393.54
  4. Step 4: Simplify right side
    16,489.46x = 133,418,941.66
  5. Step 5: Solve for x
    x = 133,418,941.66/16,489.46
  6. Step 6: Final answer
    x = 8,091.16

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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.