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Finding the Fourth Proportional to 27,323.80, 40,961.40 and 16,218.70

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Solution

The fourth proportional to 27,323.80, 40,961.40 and 16,218.70 is: 24,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.80 : 40,961.40 = 16,218.70 : x
  2. Step 2: Convert to fraction form
    27,323.80/40,961.40 = 16,218.70/x
  3. Step 3: Cross multiply
    27,323.80x = 40,961.40 × 16,218.70
  4. Step 4: Simplify right side
    27,323.80x = 664,340,658.18
  5. Step 5: Solve for x
    x = 664,340,658.18/27,323.80
  6. Step 6: Final answer
    x = 24,313.63

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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.