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Finding the Fourth Proportional to 10.48, 14.46 and 8.32

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Solution

The fourth proportional to 10.48, 14.46 and 8.32 is: 11.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.48 : 14.46 = 8.32 : x
  2. Step 2: Convert to fraction form
    10.48/14.46 = 8.32/x
  3. Step 3: Cross multiply
    10.48x = 14.46 × 8.32
  4. Step 4: Simplify right side
    10.48x = 120.31
  5. Step 5: Solve for x
    x = 120.31/10.48
  6. Step 6: Final answer
    x = 11.48

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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.