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Finding the Fourth Proportional to 10.47, 14.44 and 6.32

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Solution

The fourth proportional to 10.47, 14.44 and 6.32 is: 8.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.47 : 14.44 = 6.32 : x
  2. Step 2: Convert to fraction form
    10.47/14.44 = 6.32/x
  3. Step 3: Cross multiply
    10.47x = 14.44 × 6.32
  4. Step 4: Simplify right side
    10.47x = 91.19
  5. Step 5: Solve for x
    x = 91.19/10.47
  6. Step 6: Final answer
    x = 8.71

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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.