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Finding the Fourth Proportional to 43.56, 60.16 and 35.48

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Solution

The fourth proportional to 43.56, 60.16 and 35.48 is: 49.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.56 : 60.16 = 35.48 : x
  2. Step 2: Convert to fraction form
    43.56/60.16 = 35.48/x
  3. Step 3: Cross multiply
    43.56x = 60.16 × 35.48
  4. Step 4: Simplify right side
    43.56x = 2,134.48
  5. Step 5: Solve for x
    x = 2,134.48/43.56
  6. Step 6: Final answer
    x = 49.00

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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.