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Finding the Fourth Proportional to 46.34, 69.53 and 17.46

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Solution

The fourth proportional to 46.34, 69.53 and 17.46 is: 26.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.34 : 69.53 = 17.46 : x
  2. Step 2: Convert to fraction form
    46.34/69.53 = 17.46/x
  3. Step 3: Cross multiply
    46.34x = 69.53 × 17.46
  4. Step 4: Simplify right side
    46.34x = 1,214.03
  5. Step 5: Solve for x
    x = 1,214.03/46.34
  6. Step 6: Final answer
    x = 26.20

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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.