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Finding the Fourth Proportional to 18,072.95, 27,102.76 and 6,223.34

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Solution

The fourth proportional to 18,072.95, 27,102.76 and 6,223.34 is: 9,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.95 : 27,102.76 = 6,223.34 : x
  2. Step 2: Convert to fraction form
    18,072.95/27,102.76 = 6,223.34/x
  3. Step 3: Cross multiply
    18,072.95x = 27,102.76 × 6,223.34
  4. Step 4: Simplify right side
    18,072.95x = 168,669,742.62
  5. Step 5: Solve for x
    x = 168,669,742.62/18,072.95
  6. Step 6: Final answer
    x = 9,332.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.