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Finding the Fourth Proportional to 27.02, 37.29 and 15.96

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Solution

The fourth proportional to 27.02, 37.29 and 15.96 is: 22.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.02 : 37.29 = 15.96 : x
  2. Step 2: Convert to fraction form
    27.02/37.29 = 15.96/x
  3. Step 3: Cross multiply
    27.02x = 37.29 × 15.96
  4. Step 4: Simplify right side
    27.02x = 595.15
  5. Step 5: Solve for x
    x = 595.15/27.02
  6. Step 6: Final answer
    x = 22.03

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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.