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Finding the Fourth Proportional to 4.84, 7.26 and 1.83

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Solution

The fourth proportional to 4.84, 7.26 and 1.83 is: 2.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.84 : 7.26 = 1.83 : x
  2. Step 2: Convert to fraction form
    4.84/7.26 = 1.83/x
  3. Step 3: Cross multiply
    4.84x = 7.26 × 1.83
  4. Step 4: Simplify right side
    4.84x = 13.30
  5. Step 5: Solve for x
    x = 13.30/4.84
  6. Step 6: Final answer
    x = 2.75

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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.