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Finding the Fourth Proportional to 16,469.74, 24,690.15 and 8,555.59

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Solution

The fourth proportional to 16,469.74, 24,690.15 and 8,555.59 is: 12,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,469.74 : 24,690.15 = 8,555.59 : x
  2. Step 2: Convert to fraction form
    16,469.74/24,690.15 = 8,555.59/x
  3. Step 3: Cross multiply
    16,469.74x = 24,690.15 × 8,555.59
  4. Step 4: Simplify right side
    16,469.74x = 211,238,800.44
  5. Step 5: Solve for x
    x = 211,238,800.44/16,469.74
  6. Step 6: Final answer
    x = 12,825.87

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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.