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Finding the Fourth Proportional to 51.03, 70.44 and 36.52

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Solution

The fourth proportional to 51.03, 70.44 and 36.52 is: 50.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.03 : 70.44 = 36.52 : x
  2. Step 2: Convert to fraction form
    51.03/70.44 = 36.52/x
  3. Step 3: Cross multiply
    51.03x = 70.44 × 36.52
  4. Step 4: Simplify right side
    51.03x = 2,572.47
  5. Step 5: Solve for x
    x = 2,572.47/51.03
  6. Step 6: Final answer
    x = 50.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.