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Finding the Fourth Proportional to 5.29, 7.27 and 4.84

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Solution

The fourth proportional to 5.29, 7.27 and 4.84 is: 6.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.29 : 7.27 = 4.84 : x
  2. Step 2: Convert to fraction form
    5.29/7.27 = 4.84/x
  3. Step 3: Cross multiply
    5.29x = 7.27 × 4.84
  4. Step 4: Simplify right side
    5.29x = 35.16
  5. Step 5: Solve for x
    x = 35.16/5.29
  6. Step 6: Final answer
    x = 6.65

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.