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Finding the Fourth Proportional to 27.62, 41.43 and 7.33

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Solution

The fourth proportional to 27.62, 41.43 and 7.33 is: 11.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.62 : 41.43 = 7.33 : x
  2. Step 2: Convert to fraction form
    27.62/41.43 = 7.33/x
  3. Step 3: Cross multiply
    27.62x = 41.43 × 7.33
  4. Step 4: Simplify right side
    27.62x = 303.66
  5. Step 5: Solve for x
    x = 303.66/27.62
  6. Step 6: Final answer
    x = 11.00

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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.