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Finding the Fourth Proportional to 48.95, 73.46 and 37.56

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Solution

The fourth proportional to 48.95, 73.46 and 37.56 is: 56.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.95 : 73.46 = 37.56 : x
  2. Step 2: Convert to fraction form
    48.95/73.46 = 37.56/x
  3. Step 3: Cross multiply
    48.95x = 73.46 × 37.56
  4. Step 4: Simplify right side
    48.95x = 2,758.97
  5. Step 5: Solve for x
    x = 2,758.97/48.95
  6. Step 6: Final answer
    x = 56.36

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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.