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Finding the Fourth Proportional to 35.39, 48.90 and 32.36

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Solution

The fourth proportional to 35.39, 48.90 and 32.36 is: 44.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.39 : 48.90 = 32.36 : x
  2. Step 2: Convert to fraction form
    35.39/48.90 = 32.36/x
  3. Step 3: Cross multiply
    35.39x = 48.90 × 32.36
  4. Step 4: Simplify right side
    35.39x = 1,582.16
  5. Step 5: Solve for x
    x = 1,582.16/35.39
  6. Step 6: Final answer
    x = 44.71

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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.