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Finding the Fourth Proportional to 27,346.88, 41,020.34 and 8,878.88

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Solution

The fourth proportional to 27,346.88, 41,020.34 and 8,878.88 is: 13,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,346.88 : 41,020.34 = 8,878.88 : x
  2. Step 2: Convert to fraction form
    27,346.88/41,020.34 = 8,878.88/x
  3. Step 3: Cross multiply
    27,346.88x = 41,020.34 × 8,878.88
  4. Step 4: Simplify right side
    27,346.88x = 364,214,426.92
  5. Step 5: Solve for x
    x = 364,214,426.92/27,346.88
  6. Step 6: Final answer
    x = 13,318.32

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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.