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Finding the Fourth Proportional to 56.10, 77.44 and 36.70

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Solution

The fourth proportional to 56.10, 77.44 and 36.70 is: 50.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.10 : 77.44 = 36.70 : x
  2. Step 2: Convert to fraction form
    56.10/77.44 = 36.70/x
  3. Step 3: Cross multiply
    56.10x = 77.44 × 36.70
  4. Step 4: Simplify right side
    56.10x = 2,842.05
  5. Step 5: Solve for x
    x = 2,842.05/56.10
  6. Step 6: Final answer
    x = 50.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.