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Finding the Fourth Proportional to 22,879.80, 34,246.80 and 16,318.80

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Solution

The fourth proportional to 22,879.80, 34,246.80 and 16,318.80 is: 24,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.80 : 34,246.80 = 16,318.80 : x
  2. Step 2: Convert to fraction form
    22,879.80/34,246.80 = 16,318.80/x
  3. Step 3: Cross multiply
    22,879.80x = 34,246.80 × 16,318.80
  4. Step 4: Simplify right side
    22,879.80x = 558,866,679.84
  5. Step 5: Solve for x
    x = 558,866,679.84/22,879.80
  6. Step 6: Final answer
    x = 24,426.20

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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.