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Finding the Fourth Proportional to 37.60, 56.70 and 33.14

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Solution

The fourth proportional to 37.60, 56.70 and 33.14 is: 49.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.60 : 56.70 = 33.14 : x
  2. Step 2: Convert to fraction form
    37.60/56.70 = 33.14/x
  3. Step 3: Cross multiply
    37.60x = 56.70 × 33.14
  4. Step 4: Simplify right side
    37.60x = 1,879.18
  5. Step 5: Solve for x
    x = 1,879.18/37.60
  6. Step 6: Final answer
    x = 49.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.