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Finding the Fourth Proportional to 46.17, 69.21 and 26.93

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Solution

The fourth proportional to 46.17, 69.21 and 26.93 is: 40.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.17 : 69.21 = 26.93 : x
  2. Step 2: Convert to fraction form
    46.17/69.21 = 26.93/x
  3. Step 3: Cross multiply
    46.17x = 69.21 × 26.93
  4. Step 4: Simplify right side
    46.17x = 1,863.48
  5. Step 5: Solve for x
    x = 1,863.48/46.17
  6. Step 6: Final answer
    x = 40.36

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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.