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Finding the Fourth Proportional to 24.21, 33.35 and 22.53

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Solution

The fourth proportional to 24.21, 33.35 and 22.53 is: 31.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.21 : 33.35 = 22.53 : x
  2. Step 2: Convert to fraction form
    24.21/33.35 = 22.53/x
  3. Step 3: Cross multiply
    24.21x = 33.35 × 22.53
  4. Step 4: Simplify right side
    24.21x = 751.26
  5. Step 5: Solve for x
    x = 751.26/24.21
  6. Step 6: Final answer
    x = 31.03

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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.