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Finding the Fourth Proportional to 19,995.44, 27,593.92 and 11,043.17

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Solution

The fourth proportional to 19,995.44, 27,593.92 and 11,043.17 is: 15,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.44 : 27,593.92 = 11,043.17 : x
  2. Step 2: Convert to fraction form
    19,995.44/27,593.92 = 11,043.17/x
  3. Step 3: Cross multiply
    19,995.44x = 27,593.92 × 11,043.17
  4. Step 4: Simplify right side
    19,995.44x = 304,724,349.53
  5. Step 5: Solve for x
    x = 304,724,349.53/19,995.44
  6. Step 6: Final answer
    x = 15,239.69

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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.