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Finding the Fourth Proportional to 5.35, 7.36 and 5.03

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Solution

The fourth proportional to 5.35, 7.36 and 5.03 is: 6.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.35 : 7.36 = 5.03 : x
  2. Step 2: Convert to fraction form
    5.35/7.36 = 5.03/x
  3. Step 3: Cross multiply
    5.35x = 7.36 × 5.03
  4. Step 4: Simplify right side
    5.35x = 37.02
  5. Step 5: Solve for x
    x = 37.02/5.35
  6. Step 6: Final answer
    x = 6.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.