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Finding the Fourth Proportional to 50.92, 70.14 and 44.32

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Solution

The fourth proportional to 50.92, 70.14 and 44.32 is: 61.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.92 : 70.14 = 44.32 : x
  2. Step 2: Convert to fraction form
    50.92/70.14 = 44.32/x
  3. Step 3: Cross multiply
    50.92x = 70.14 × 44.32
  4. Step 4: Simplify right side
    50.92x = 3,108.60
  5. Step 5: Solve for x
    x = 3,108.60/50.92
  6. Step 6: Final answer
    x = 61.05

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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.