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Finding the Fourth Proportional to 32.51, 44.81 and 24.31

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Solution

The fourth proportional to 32.51, 44.81 and 24.31 is: 33.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.51 : 44.81 = 24.31 : x
  2. Step 2: Convert to fraction form
    32.51/44.81 = 24.31/x
  3. Step 3: Cross multiply
    32.51x = 44.81 × 24.31
  4. Step 4: Simplify right side
    32.51x = 1,089.33
  5. Step 5: Solve for x
    x = 1,089.33/32.51
  6. Step 6: Final answer
    x = 33.51

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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.