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Finding the Fourth Proportional to 46.54, 69.76 and 22.47

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Solution

The fourth proportional to 46.54, 69.76 and 22.47 is: 33.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.54 : 69.76 = 22.47 : x
  2. Step 2: Convert to fraction form
    46.54/69.76 = 22.47/x
  3. Step 3: Cross multiply
    46.54x = 69.76 × 22.47
  4. Step 4: Simplify right side
    46.54x = 1,567.51
  5. Step 5: Solve for x
    x = 1,567.51/46.54
  6. Step 6: Final answer
    x = 33.68

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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.