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Finding the Fourth Proportional to 37.60, 56.36 and 26.92

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Solution

The fourth proportional to 37.60, 56.36 and 26.92 is: 40.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.60 : 56.36 = 26.92 : x
  2. Step 2: Convert to fraction form
    37.60/56.36 = 26.92/x
  3. Step 3: Cross multiply
    37.60x = 56.36 × 26.92
  4. Step 4: Simplify right side
    37.60x = 1,517.21
  5. Step 5: Solve for x
    x = 1,517.21/37.60
  6. Step 6: Final answer
    x = 40.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.