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Finding the Fourth Proportional to 4.93, 7.41 and 4.71

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Solution

The fourth proportional to 4.93, 7.41 and 4.71 is: 7.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.93 : 7.41 = 4.71 : x
  2. Step 2: Convert to fraction form
    4.93/7.41 = 4.71/x
  3. Step 3: Cross multiply
    4.93x = 7.41 × 4.71
  4. Step 4: Simplify right side
    4.93x = 34.90
  5. Step 5: Solve for x
    x = 34.90/4.93
  6. Step 6: Final answer
    x = 7.08

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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.