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Finding the Fourth Proportional to 18,596.69, 27,889.11 and 6,113.83

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Solution

The fourth proportional to 18,596.69, 27,889.11 and 6,113.83 is: 9,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.69 : 27,889.11 = 6,113.83 : x
  2. Step 2: Convert to fraction form
    18,596.69/27,889.11 = 6,113.83/x
  3. Step 3: Cross multiply
    18,596.69x = 27,889.11 × 6,113.83
  4. Step 4: Simplify right side
    18,596.69x = 170,509,277.39
  5. Step 5: Solve for x
    x = 170,509,277.39/18,596.69
  6. Step 6: Final answer
    x = 9,168.80

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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.