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Finding the Fourth Proportional to 15.99, 24.03 and 14.32

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Solution

The fourth proportional to 15.99, 24.03 and 14.32 is: 21.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.99 : 24.03 = 14.32 : x
  2. Step 2: Convert to fraction form
    15.99/24.03 = 14.32/x
  3. Step 3: Cross multiply
    15.99x = 24.03 × 14.32
  4. Step 4: Simplify right side
    15.99x = 344.04
  5. Step 5: Solve for x
    x = 344.04/15.99
  6. Step 6: Final answer
    x = 21.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.