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Finding the Fourth Proportional to 5.06, 7.63 and 4.84

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Solution

The fourth proportional to 5.06, 7.63 and 4.84 is: 7.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.06 : 7.63 = 4.84 : x
  2. Step 2: Convert to fraction form
    5.06/7.63 = 4.84/x
  3. Step 3: Cross multiply
    5.06x = 7.63 × 4.84
  4. Step 4: Simplify right side
    5.06x = 36.91
  5. Step 5: Solve for x
    x = 36.91/5.06
  6. Step 6: Final answer
    x = 7.29

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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.