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Finding the Fourth Proportional to 39.63, 59.34 and 32.37

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Solution

The fourth proportional to 39.63, 59.34 and 32.37 is: 48.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.63 : 59.34 = 32.37 : x
  2. Step 2: Convert to fraction form
    39.63/59.34 = 32.37/x
  3. Step 3: Cross multiply
    39.63x = 59.34 × 32.37
  4. Step 4: Simplify right side
    39.63x = 1,920.84
  5. Step 5: Solve for x
    x = 1,920.84/39.63
  6. Step 6: Final answer
    x = 48.47

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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.