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Finding the Fourth Proportional to 32.61, 44.87 and 31.93

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Solution

The fourth proportional to 32.61, 44.87 and 31.93 is: 43.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.61 : 44.87 = 31.93 : x
  2. Step 2: Convert to fraction form
    32.61/44.87 = 31.93/x
  3. Step 3: Cross multiply
    32.61x = 44.87 × 31.93
  4. Step 4: Simplify right side
    32.61x = 1,432.70
  5. Step 5: Solve for x
    x = 1,432.70/32.61
  6. Step 6: Final answer
    x = 43.93

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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.