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Finding the Fourth Proportional to 16,491.62, 24,731.16 and 5,958.78

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Solution

The fourth proportional to 16,491.62, 24,731.16 and 5,958.78 is: 8,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491.62 : 24,731.16 = 5,958.78 : x
  2. Step 2: Convert to fraction form
    16,491.62/24,731.16 = 5,958.78/x
  3. Step 3: Cross multiply
    16,491.62x = 24,731.16 × 5,958.78
  4. Step 4: Simplify right side
    16,491.62x = 147,367,541.58
  5. Step 5: Solve for x
    x = 147,367,541.58/16,491.62
  6. Step 6: Final answer
    x = 8,935.91

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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.