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Finding the Fourth Proportional to 8,967.67, 13,451.16 and 5,072.11

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Solution

The fourth proportional to 8,967.67, 13,451.16 and 5,072.11 is: 7,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.67 : 13,451.16 = 5,072.11 : x
  2. Step 2: Convert to fraction form
    8,967.67/13,451.16 = 5,072.11/x
  3. Step 3: Cross multiply
    8,967.67x = 13,451.16 × 5,072.11
  4. Step 4: Simplify right side
    8,967.67x = 68,225,763.15
  5. Step 5: Solve for x
    x = 68,225,763.15/8,967.67
  6. Step 6: Final answer
    x = 7,607.97

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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.