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Finding the Fourth Proportional to 46.69, 64.48 and 36.37

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Solution

The fourth proportional to 46.69, 64.48 and 36.37 is: 50.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.69 : 64.48 = 36.37 : x
  2. Step 2: Convert to fraction form
    46.69/64.48 = 36.37/x
  3. Step 3: Cross multiply
    46.69x = 64.48 × 36.37
  4. Step 4: Simplify right side
    46.69x = 2,344.83
  5. Step 5: Solve for x
    x = 2,344.83/46.69
  6. Step 6: Final answer
    x = 50.22

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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.