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Finding the Fourth Proportional to 5.44, 7.47 and 4.66

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Solution

The fourth proportional to 5.44, 7.47 and 4.66 is: 6.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.44 : 7.47 = 4.66 : x
  2. Step 2: Convert to fraction form
    5.44/7.47 = 4.66/x
  3. Step 3: Cross multiply
    5.44x = 7.47 × 4.66
  4. Step 4: Simplify right side
    5.44x = 34.81
  5. Step 5: Solve for x
    x = 34.81/5.44
  6. Step 6: Final answer
    x = 6.40

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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.