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Finding the Fourth Proportional to 36,603.99, 50,513.96 and 21,496.88

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Solution

The fourth proportional to 36,603.99, 50,513.96 and 21,496.88 is: 29,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,603.99 : 50,513.96 = 21,496.88 : x
  2. Step 2: Convert to fraction form
    36,603.99/50,513.96 = 21,496.88/x
  3. Step 3: Cross multiply
    36,603.99x = 50,513.96 × 21,496.88
  4. Step 4: Simplify right side
    36,603.99x = 1,085,892,716.47
  5. Step 5: Solve for x
    x = 1,085,892,716.47/36,603.99
  6. Step 6: Final answer
    x = 29,665.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.