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Finding the Fourth Proportional to 10.52, 14.60 and 9.96

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Solution

The fourth proportional to 10.52, 14.60 and 9.96 is: 13.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.52 : 14.60 = 9.96 : x
  2. Step 2: Convert to fraction form
    10.52/14.60 = 9.96/x
  3. Step 3: Cross multiply
    10.52x = 14.60 × 9.96
  4. Step 4: Simplify right side
    10.52x = 145.45
  5. Step 5: Solve for x
    x = 145.45/10.52
  6. Step 6: Final answer
    x = 13.82

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.