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Finding the Fourth Proportional to 18,443.99, 27,659.19 and 6,594.56

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Solution

The fourth proportional to 18,443.99, 27,659.19 and 6,594.56 is: 9,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.99 : 27,659.19 = 6,594.56 : x
  2. Step 2: Convert to fraction form
    18,443.99/27,659.19 = 6,594.56/x
  3. Step 3: Cross multiply
    18,443.99x = 27,659.19 × 6,594.56
  4. Step 4: Simplify right side
    18,443.99x = 182,400,188.01
  5. Step 5: Solve for x
    x = 182,400,188.01/18,443.99
  6. Step 6: Final answer
    x = 9,889.41

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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.