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Finding the Fourth Proportional to 5.32, 7.94 and 4.56

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Solution

The fourth proportional to 5.32, 7.94 and 4.56 is: 6.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.32 : 7.94 = 4.56 : x
  2. Step 2: Convert to fraction form
    5.32/7.94 = 4.56/x
  3. Step 3: Cross multiply
    5.32x = 7.94 × 4.56
  4. Step 4: Simplify right side
    5.32x = 36.21
  5. Step 5: Solve for x
    x = 36.21/5.32
  6. Step 6: Final answer
    x = 6.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.