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Finding the Fourth Proportional to 24, 33.15 and 17.52

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Solution

The fourth proportional to 24, 33.15 and 17.52 is: 24.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24 : 33.15 = 17.52 : x
  2. Step 2: Convert to fraction form
    24/33.15 = 17.52/x
  3. Step 3: Cross multiply
    24x = 33.15 × 17.52
  4. Step 4: Simplify right side
    24x = 580.79
  5. Step 5: Solve for x
    x = 580.79/24
  6. Step 6: Final answer
    x = 24.20

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1.5x scale

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.