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Finding the Fourth Proportional to 27,470.84, 41,212.48 and 8,751.95

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Solution

The fourth proportional to 27,470.84, 41,212.48 and 8,751.95 is: 13,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,470.84 : 41,212.48 = 8,751.95 : x
  2. Step 2: Convert to fraction form
    27,470.84/41,212.48 = 8,751.95/x
  3. Step 3: Cross multiply
    27,470.84x = 41,212.48 × 8,751.95
  4. Step 4: Simplify right side
    27,470.84x = 360,689,336.39
  5. Step 5: Solve for x
    x = 360,689,336.39/27,470.84
  6. Step 6: Final answer
    x = 13,129.90

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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.