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Finding the Fourth Proportional to 38.07, 52.46 and 32.61

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Solution

The fourth proportional to 38.07, 52.46 and 32.61 is: 44.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.07 : 52.46 = 32.61 : x
  2. Step 2: Convert to fraction form
    38.07/52.46 = 32.61/x
  3. Step 3: Cross multiply
    38.07x = 52.46 × 32.61
  4. Step 4: Simplify right side
    38.07x = 1,710.56
  5. Step 5: Solve for x
    x = 1,710.56/38.07
  6. Step 6: Final answer
    x = 44.93

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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.