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Finding the Fourth Proportional to 8,019.01, 12,015.91 and 6,167.89

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Solution

The fourth proportional to 8,019.01, 12,015.91 and 6,167.89 is: 9,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.01 : 12,015.91 = 6,167.89 : x
  2. Step 2: Convert to fraction form
    8,019.01/12,015.91 = 6,167.89/x
  3. Step 3: Cross multiply
    8,019.01x = 12,015.91 × 6,167.89
  4. Step 4: Simplify right side
    8,019.01x = 74,112,811.13
  5. Step 5: Solve for x
    x = 74,112,811.13/8,019.01
  6. Step 6: Final answer
    x = 9,242.14

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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.