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Finding the Fourth Proportional to 18,297.99, 27,449.59 and 5,648.81

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Solution

The fourth proportional to 18,297.99, 27,449.59 and 5,648.81 is: 8,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.99 : 27,449.59 = 5,648.81 : x
  2. Step 2: Convert to fraction form
    18,297.99/27,449.59 = 5,648.81/x
  3. Step 3: Cross multiply
    18,297.99x = 27,449.59 × 5,648.81
  4. Step 4: Simplify right side
    18,297.99x = 155,057,518.49
  5. Step 5: Solve for x
    x = 155,057,518.49/18,297.99
  6. Step 6: Final answer
    x = 8,474.02

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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.