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Finding the Fourth Proportional to 27,663.51, 41,495.17 and 11,867.20

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Solution

The fourth proportional to 27,663.51, 41,495.17 and 11,867.20 is: 17,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.51 : 41,495.17 = 11,867.20 : x
  2. Step 2: Convert to fraction form
    27,663.51/41,495.17 = 11,867.20/x
  3. Step 3: Cross multiply
    27,663.51x = 41,495.17 × 11,867.20
  4. Step 4: Simplify right side
    27,663.51x = 492,431,481.42
  5. Step 5: Solve for x
    x = 492,431,481.42/27,663.51
  6. Step 6: Final answer
    x = 17,800.76

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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.