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Finding the Fourth Proportional to 32.63, 49.04 and 15.55

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Solution

The fourth proportional to 32.63, 49.04 and 15.55 is: 23.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.63 : 49.04 = 15.55 : x
  2. Step 2: Convert to fraction form
    32.63/49.04 = 15.55/x
  3. Step 3: Cross multiply
    32.63x = 49.04 × 15.55
  4. Step 4: Simplify right side
    32.63x = 762.43
  5. Step 5: Solve for x
    x = 762.43/32.63
  6. Step 6: Final answer
    x = 23.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.