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Finding the Fourth Proportional to 18,550.98, 27,825.39 and 6,079.14

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Solution

The fourth proportional to 18,550.98, 27,825.39 and 6,079.14 is: 9,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.98 : 27,825.39 = 6,079.14 : x
  2. Step 2: Convert to fraction form
    18,550.98/27,825.39 = 6,079.14/x
  3. Step 3: Cross multiply
    18,550.98x = 27,825.39 × 6,079.14
  4. Step 4: Simplify right side
    18,550.98x = 169,154,441.36
  5. Step 5: Solve for x
    x = 169,154,441.36/18,550.98
  6. Step 6: Final answer
    x = 9,118.36

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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.