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Finding the Fourth Proportional to 24.03, 32.99 and 21.24

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Solution

The fourth proportional to 24.03, 32.99 and 21.24 is: 29.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.03 : 32.99 = 21.24 : x
  2. Step 2: Convert to fraction form
    24.03/32.99 = 21.24/x
  3. Step 3: Cross multiply
    24.03x = 32.99 × 21.24
  4. Step 4: Simplify right side
    24.03x = 700.60
  5. Step 5: Solve for x
    x = 700.60/24.03
  6. Step 6: Final answer
    x = 29.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.