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Finding the Fourth Proportional to 48.44, 72.50 and 34

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Solution

The fourth proportional to 48.44, 72.50 and 34 is: 50.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.44 : 72.50 = 34 : x
  2. Step 2: Convert to fraction form
    48.44/72.50 = 34/x
  3. Step 3: Cross multiply
    48.44x = 72.50 × 34
  4. Step 4: Simplify right side
    48.44x = 2,465
  5. Step 5: Solve for x
    x = 2,465/48.44
  6. Step 6: Final answer
    x = 50.89

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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.