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Finding the Fourth Proportional to 7.36, 11.03 and 5.35

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Solution

The fourth proportional to 7.36, 11.03 and 5.35 is: 8.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.36 : 11.03 = 5.35 : x
  2. Step 2: Convert to fraction form
    7.36/11.03 = 5.35/x
  3. Step 3: Cross multiply
    7.36x = 11.03 × 5.35
  4. Step 4: Simplify right side
    7.36x = 59.01
  5. Step 5: Solve for x
    x = 59.01/7.36
  6. Step 6: Final answer
    x = 8.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.