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Finding the Fourth Proportional to 45.52, 68.28 and 37.56

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Solution

The fourth proportional to 45.52, 68.28 and 37.56 is: 56.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.52 : 68.28 = 37.56 : x
  2. Step 2: Convert to fraction form
    45.52/68.28 = 37.56/x
  3. Step 3: Cross multiply
    45.52x = 68.28 × 37.56
  4. Step 4: Simplify right side
    45.52x = 2,564.60
  5. Step 5: Solve for x
    x = 2,564.60/45.52
  6. Step 6: Final answer
    x = 56.34

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