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Finding the Fourth Proportional to 27,472.16, 41,215.97 and 7,750.89

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Solution

The fourth proportional to 27,472.16, 41,215.97 and 7,750.89 is: 11,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,472.16 : 41,215.97 = 7,750.89 : x
  2. Step 2: Convert to fraction form
    27,472.16/41,215.97 = 7,750.89/x
  3. Step 3: Cross multiply
    27,472.16x = 41,215.97 × 7,750.89
  4. Step 4: Simplify right side
    27,472.16x = 319,460,469.09
  5. Step 5: Solve for x
    x = 319,460,469.09/27,472.16
  6. Step 6: Final answer
    x = 11,628.52

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1.5x scale

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.