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Finding the Fourth Proportional to 24.02, 33.12 and 17.88

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Solution

The fourth proportional to 24.02, 33.12 and 17.88 is: 24.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.02 : 33.12 = 17.88 : x
  2. Step 2: Convert to fraction form
    24.02/33.12 = 17.88/x
  3. Step 3: Cross multiply
    24.02x = 33.12 × 17.88
  4. Step 4: Simplify right side
    24.02x = 592.19
  5. Step 5: Solve for x
    x = 592.19/24.02
  6. Step 6: Final answer
    x = 24.65

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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.