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Finding the Fourth Proportional to 58.44, 80.65 and 32.57

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Solution

The fourth proportional to 58.44, 80.65 and 32.57 is: 44.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.44 : 80.65 = 32.57 : x
  2. Step 2: Convert to fraction form
    58.44/80.65 = 32.57/x
  3. Step 3: Cross multiply
    58.44x = 80.65 × 32.57
  4. Step 4: Simplify right side
    58.44x = 2,626.20
  5. Step 5: Solve for x
    x = 2,626.20/58.44
  6. Step 6: Final answer
    x = 44.94

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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.