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Finding the Fourth Proportional to 27,231.36, 40,847.04 and 8,766.08

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Solution

The fourth proportional to 27,231.36, 40,847.04 and 8,766.08 is: 13,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,231.36 : 40,847.04 = 8,766.08 : x
  2. Step 2: Convert to fraction form
    27,231.36/40,847.04 = 8,766.08/x
  3. Step 3: Cross multiply
    27,231.36x = 40,847.04 × 8,766.08
  4. Step 4: Simplify right side
    27,231.36x = 358,068,420.40
  5. Step 5: Solve for x
    x = 358,068,420.40/27,231.36
  6. Step 6: Final answer
    x = 13,149.12

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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.