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Finding the Fourth Proportional to 46.35, 63.95 and 26.68

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Solution

The fourth proportional to 46.35, 63.95 and 26.68 is: 36.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.35 : 63.95 = 26.68 : x
  2. Step 2: Convert to fraction form
    46.35/63.95 = 26.68/x
  3. Step 3: Cross multiply
    46.35x = 63.95 × 26.68
  4. Step 4: Simplify right side
    46.35x = 1,705.89
  5. Step 5: Solve for x
    x = 1,705.89/46.35
  6. Step 6: Final answer
    x = 36.80

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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.