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Finding the Fourth Proportional to 6.31, 9.45 and 5.93

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Solution

The fourth proportional to 6.31, 9.45 and 5.93 is: 8.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.31 : 9.45 = 5.93 : x
  2. Step 2: Convert to fraction form
    6.31/9.45 = 5.93/x
  3. Step 3: Cross multiply
    6.31x = 9.45 × 5.93
  4. Step 4: Simplify right side
    6.31x = 56.04
  5. Step 5: Solve for x
    x = 56.04/6.31
  6. Step 6: Final answer
    x = 8.88

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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.