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Finding the Fourth Proportional to 50.96, 70.08 and 44.48

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Solution

The fourth proportional to 50.96, 70.08 and 44.48 is: 61.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.96 : 70.08 = 44.48 : x
  2. Step 2: Convert to fraction form
    50.96/70.08 = 44.48/x
  3. Step 3: Cross multiply
    50.96x = 70.08 × 44.48
  4. Step 4: Simplify right side
    50.96x = 3,117.16
  5. Step 5: Solve for x
    x = 3,117.16/50.96
  6. Step 6: Final answer
    x = 61.17

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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.