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Finding the Fourth Proportional to 43.95, 60.57 and 35.76

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Solution

The fourth proportional to 43.95, 60.57 and 35.76 is: 49.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.95 : 60.57 = 35.76 : x
  2. Step 2: Convert to fraction form
    43.95/60.57 = 35.76/x
  3. Step 3: Cross multiply
    43.95x = 60.57 × 35.76
  4. Step 4: Simplify right side
    43.95x = 2,165.98
  5. Step 5: Solve for x
    x = 2,165.98/43.95
  6. Step 6: Final answer
    x = 49.28

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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.