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Finding the Fourth Proportional to 18,550.80, 27,793.80 and 17,384.40

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Solution

The fourth proportional to 18,550.80, 27,793.80 and 17,384.40 is: 26,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.80 : 27,793.80 = 17,384.40 : x
  2. Step 2: Convert to fraction form
    18,550.80/27,793.80 = 17,384.40/x
  3. Step 3: Cross multiply
    18,550.80x = 27,793.80 × 17,384.40
  4. Step 4: Simplify right side
    18,550.80x = 483,178,536.72
  5. Step 5: Solve for x
    x = 483,178,536.72/18,550.80
  6. Step 6: Final answer
    x = 26,046.24

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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.