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Finding the Fourth Proportional to 27,663.92, 41,495.82 and 6,887.42

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Solution

The fourth proportional to 27,663.92, 41,495.82 and 6,887.42 is: 10,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.92 : 41,495.82 = 6,887.42 : x
  2. Step 2: Convert to fraction form
    27,663.92/41,495.82 = 6,887.42/x
  3. Step 3: Cross multiply
    27,663.92x = 41,495.82 × 6,887.42
  4. Step 4: Simplify right side
    27,663.92x = 285,798,933.11
  5. Step 5: Solve for x
    x = 285,798,933.11/27,663.92
  6. Step 6: Final answer
    x = 10,331.11

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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.