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Finding the Fourth Proportional to 5.27, 7.95 and 5.01

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Solution

The fourth proportional to 5.27, 7.95 and 5.01 is: 7.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.27 : 7.95 = 5.01 : x
  2. Step 2: Convert to fraction form
    5.27/7.95 = 5.01/x
  3. Step 3: Cross multiply
    5.27x = 7.95 × 5.01
  4. Step 4: Simplify right side
    5.27x = 39.80
  5. Step 5: Solve for x
    x = 39.80/5.27
  6. Step 6: Final answer
    x = 7.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.