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Finding the Fourth Proportional to 5.02, 7.50 and 4.96

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Solution

The fourth proportional to 5.02, 7.50 and 4.96 is: 7.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.02 : 7.50 = 4.96 : x
  2. Step 2: Convert to fraction form
    5.02/7.50 = 4.96/x
  3. Step 3: Cross multiply
    5.02x = 7.50 × 4.96
  4. Step 4: Simplify right side
    5.02x = 37.20
  5. Step 5: Solve for x
    x = 37.20/5.02
  6. Step 6: Final answer
    x = 7.41

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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.