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Finding the Fourth Proportional to 18,410.99, 27,616.44 and 5,930.78

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Solution

The fourth proportional to 18,410.99, 27,616.44 and 5,930.78 is: 8,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.99 : 27,616.44 = 5,930.78 : x
  2. Step 2: Convert to fraction form
    18,410.99/27,616.44 = 5,930.78/x
  3. Step 3: Cross multiply
    18,410.99x = 27,616.44 × 5,930.78
  4. Step 4: Simplify right side
    18,410.99x = 163,787,030.02
  5. Step 5: Solve for x
    x = 163,787,030.02/18,410.99
  6. Step 6: Final answer
    x = 8,896.16

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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.