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Finding the Fourth Proportional to 11,538.88, 17,324.44 and 5,920.48

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Solution

The fourth proportional to 11,538.88, 17,324.44 and 5,920.48 is: 8,888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.88 : 17,324.44 = 5,920.48 : x
  2. Step 2: Convert to fraction form
    11,538.88/17,324.44 = 5,920.48/x
  3. Step 3: Cross multiply
    11,538.88x = 17,324.44 × 5,920.48
  4. Step 4: Simplify right side
    11,538.88x = 102,569,000.53
  5. Step 5: Solve for x
    x = 102,569,000.53/11,538.88
  6. Step 6: Final answer
    x = 8,888.99

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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.