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Finding the Fourth Proportional to 37.18, 56 and 35.92

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Solution

The fourth proportional to 37.18, 56 and 35.92 is: 54.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.18 : 56 = 35.92 : x
  2. Step 2: Convert to fraction form
    37.18/56 = 35.92/x
  3. Step 3: Cross multiply
    37.18x = 56 × 35.92
  4. Step 4: Simplify right side
    37.18x = 2,011.52
  5. Step 5: Solve for x
    x = 2,011.52/37.18
  6. Step 6: Final answer
    x = 54.10

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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.