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Finding the Fourth Proportional to 10.50, 14.46 and 10.08

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Solution

The fourth proportional to 10.50, 14.46 and 10.08 is: 13.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.50 : 14.46 = 10.08 : x
  2. Step 2: Convert to fraction form
    10.50/14.46 = 10.08/x
  3. Step 3: Cross multiply
    10.50x = 14.46 × 10.08
  4. Step 4: Simplify right side
    10.50x = 145.76
  5. Step 5: Solve for x
    x = 145.76/10.50
  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.