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Finding the Fourth Proportional to 18,163.93, 27,246.11 and 5,683.45

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Solution

The fourth proportional to 18,163.93, 27,246.11 and 5,683.45 is: 8,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.93 : 27,246.11 = 5,683.45 : x
  2. Step 2: Convert to fraction form
    18,163.93/27,246.11 = 5,683.45/x
  3. Step 3: Cross multiply
    18,163.93x = 27,246.11 × 5,683.45
  4. Step 4: Simplify right side
    18,163.93x = 154,851,903.88
  5. Step 5: Solve for x
    x = 154,851,903.88/18,163.93
  6. Step 6: Final answer
    x = 8,525.24

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Double scale
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Similar ratio
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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.