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Finding the Fourth Proportional to 16,310.74, 22,508.83 and 8,858.74

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Solution

The fourth proportional to 16,310.74, 22,508.83 and 8,858.74 is: 12,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,310.74 : 22,508.83 = 8,858.74 : x
  2. Step 2: Convert to fraction form
    16,310.74/22,508.83 = 8,858.74/x
  3. Step 3: Cross multiply
    16,310.74x = 22,508.83 × 8,858.74
  4. Step 4: Simplify right side
    16,310.74x = 199,399,872.67
  5. Step 5: Solve for x
    x = 199,399,872.67/16,310.74
  6. Step 6: Final answer
    x = 12,225.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.