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Finding the Fourth Proportional to 24.12, 36.18 and 14.00

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Solution

The fourth proportional to 24.12, 36.18 and 14.00 is: 20.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.12 : 36.18 = 14.00 : x
  2. Step 2: Convert to fraction form
    24.12/36.18 = 14.00/x
  3. Step 3: Cross multiply
    24.12x = 36.18 × 14.00
  4. Step 4: Simplify right side
    24.12x = 506.34
  5. Step 5: Solve for x
    x = 506.34/24.12
  6. Step 6: Final answer
    x = 20.99

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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.