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Finding the Fourth Proportional to 37.52, 56.26 and 28

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Solution

The fourth proportional to 37.52, 56.26 and 28 is: 41.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.52 : 56.26 = 28 : x
  2. Step 2: Convert to fraction form
    37.52/56.26 = 28/x
  3. Step 3: Cross multiply
    37.52x = 56.26 × 28
  4. Step 4: Simplify right side
    37.52x = 1,575.28
  5. Step 5: Solve for x
    x = 1,575.28/37.52
  6. Step 6: Final answer
    x = 41.99

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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.