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Finding the Fourth Proportional to 32.40, 44.71 and 17.84

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Solution

The fourth proportional to 32.40, 44.71 and 17.84 is: 24.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.40 : 44.71 = 17.84 : x
  2. Step 2: Convert to fraction form
    32.40/44.71 = 17.84/x
  3. Step 3: Cross multiply
    32.40x = 44.71 × 17.84
  4. Step 4: Simplify right side
    32.40x = 797.79
  5. Step 5: Solve for x
    x = 797.79/32.40
  6. Step 6: Final answer
    x = 24.62

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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.