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Finding the Fourth Proportional to 43.56, 60 and 34.92

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Solution

The fourth proportional to 43.56, 60 and 34.92 is: 48.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.56 : 60 = 34.92 : x
  2. Step 2: Convert to fraction form
    43.56/60 = 34.92/x
  3. Step 3: Cross multiply
    43.56x = 60 × 34.92
  4. Step 4: Simplify right side
    43.56x = 2,095.20
  5. Step 5: Solve for x
    x = 2,095.20/43.56
  6. Step 6: Final answer
    x = 48.10

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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.