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Finding the Fourth Proportional to 4.73, 6.53 and 3.51

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Solution

The fourth proportional to 4.73, 6.53 and 3.51 is: 4.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.73 : 6.53 = 3.51 : x
  2. Step 2: Convert to fraction form
    4.73/6.53 = 3.51/x
  3. Step 3: Cross multiply
    4.73x = 6.53 × 3.51
  4. Step 4: Simplify right side
    4.73x = 22.92
  5. Step 5: Solve for x
    x = 22.92/4.73
  6. Step 6: Final answer
    x = 4.85

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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.