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Finding the Fourth Proportional to 32.39, 48.35 and 32.11

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Solution

The fourth proportional to 32.39, 48.35 and 32.11 is: 47.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.39 : 48.35 = 32.11 : x
  2. Step 2: Convert to fraction form
    32.39/48.35 = 32.11/x
  3. Step 3: Cross multiply
    32.39x = 48.35 × 32.11
  4. Step 4: Simplify right side
    32.39x = 1,552.52
  5. Step 5: Solve for x
    x = 1,552.52/32.39
  6. Step 6: Final answer
    x = 47.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.