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Finding the Fourth Proportional to 23.63, 32.59 and 15.44

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Solution

The fourth proportional to 23.63, 32.59 and 15.44 is: 21.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.63 : 32.59 = 15.44 : x
  2. Step 2: Convert to fraction form
    23.63/32.59 = 15.44/x
  3. Step 3: Cross multiply
    23.63x = 32.59 × 15.44
  4. Step 4: Simplify right side
    23.63x = 503.19
  5. Step 5: Solve for x
    x = 503.19/23.63
  6. Step 6: Final answer
    x = 21.29

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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.