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Finding the Fourth Proportional to 50.47, 69.65 and 32.06

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Solution

The fourth proportional to 50.47, 69.65 and 32.06 is: 44.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.47 : 69.65 = 32.06 : x
  2. Step 2: Convert to fraction form
    50.47/69.65 = 32.06/x
  3. Step 3: Cross multiply
    50.47x = 69.65 × 32.06
  4. Step 4: Simplify right side
    50.47x = 2,232.98
  5. Step 5: Solve for x
    x = 2,232.98/50.47
  6. Step 6: Final answer
    x = 44.24

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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.