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Finding the Fourth Proportional to 18,578.08, 27,871.47 and 6,099.12

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Solution

The fourth proportional to 18,578.08, 27,871.47 and 6,099.12 is: 9,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578.08 : 27,871.47 = 6,099.12 : x
  2. Step 2: Convert to fraction form
    18,578.08/27,871.47 = 6,099.12/x
  3. Step 3: Cross multiply
    18,578.08x = 27,871.47 × 6,099.12
  4. Step 4: Simplify right side
    18,578.08x = 169,991,440.11
  5. Step 5: Solve for x
    x = 169,991,440.11/18,578.08
  6. Step 6: Final answer
    x = 9,150.11

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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.