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Finding the Fourth Proportional to 24.84, 37.22 and 18.74

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Solution

The fourth proportional to 24.84, 37.22 and 18.74 is: 28.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.84 : 37.22 = 18.74 : x
  2. Step 2: Convert to fraction form
    24.84/37.22 = 18.74/x
  3. Step 3: Cross multiply
    24.84x = 37.22 × 18.74
  4. Step 4: Simplify right side
    24.84x = 697.50
  5. Step 5: Solve for x
    x = 697.50/24.84
  6. Step 6: Final answer
    x = 28.08

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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.