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Finding the Fourth Proportional to 16,246.13, 22,419.66 and 8,794.13

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Solution

The fourth proportional to 16,246.13, 22,419.66 and 8,794.13 is: 12,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,246.13 : 22,419.66 = 8,794.13 : x
  2. Step 2: Convert to fraction form
    16,246.13/22,419.66 = 8,794.13/x
  3. Step 3: Cross multiply
    16,246.13x = 22,419.66 × 8,794.13
  4. Step 4: Simplify right side
    16,246.13x = 197,161,404.60
  5. Step 5: Solve for x
    x = 197,161,404.60/16,246.13
  6. Step 6: Final answer
    x = 12,135.90

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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.