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Finding the Fourth Proportional to 5.37, 8 and 5.32

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Solution

The fourth proportional to 5.37, 8 and 5.32 is: 7.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.37 : 8 = 5.32 : x
  2. Step 2: Convert to fraction form
    5.37/8 = 5.32/x
  3. Step 3: Cross multiply
    5.37x = 8 × 5.32
  4. Step 4: Simplify right side
    5.37x = 42.56
  5. Step 5: Solve for x
    x = 42.56/5.37
  6. Step 6: Final answer
    x = 7.93

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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.