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Finding the Fourth Proportional to 7.56, 11.32 and 5.95

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Solution

The fourth proportional to 7.56, 11.32 and 5.95 is: 8.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.56 : 11.32 = 5.95 : x
  2. Step 2: Convert to fraction form
    7.56/11.32 = 5.95/x
  3. Step 3: Cross multiply
    7.56x = 11.32 × 5.95
  4. Step 4: Simplify right side
    7.56x = 67.35
  5. Step 5: Solve for x
    x = 67.35/7.56
  6. Step 6: Final answer
    x = 8.91

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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.