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Finding the Fourth Proportional to 10.48, 14.46 and 10.06

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Solution

The fourth proportional to 10.48, 14.46 and 10.06 is: 13.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.48 : 14.46 = 10.06 : x
  2. Step 2: Convert to fraction form
    10.48/14.46 = 10.06/x
  3. Step 3: Cross multiply
    10.48x = 14.46 × 10.06
  4. Step 4: Simplify right side
    10.48x = 145.47
  5. Step 5: Solve for x
    x = 145.47/10.48
  6. Step 6: Final answer
    x = 13.88

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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.