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Finding the Fourth Proportional to 14.46, 19.98 and 10.83

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Solution

The fourth proportional to 14.46, 19.98 and 10.83 is: 14.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.46 : 19.98 = 10.83 : x
  2. Step 2: Convert to fraction form
    14.46/19.98 = 10.83/x
  3. Step 3: Cross multiply
    14.46x = 19.98 × 10.83
  4. Step 4: Simplify right side
    14.46x = 216.38
  5. Step 5: Solve for x
    x = 216.38/14.46
  6. Step 6: Final answer
    x = 14.96

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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.