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Finding the Fourth Proportional to 20,000.44, 27,600.82 and 11,048.17

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Solution

The fourth proportional to 20,000.44, 27,600.82 and 11,048.17 is: 15,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.44 : 27,600.82 = 11,048.17 : x
  2. Step 2: Convert to fraction form
    20,000.44/27,600.82 = 11,048.17/x
  3. Step 3: Cross multiply
    20,000.44x = 27,600.82 × 11,048.17
  4. Step 4: Simplify right side
    20,000.44x = 304,938,551.50
  5. Step 5: Solve for x
    x = 304,938,551.50/20,000.44
  6. Step 6: Final answer
    x = 15,246.59

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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.