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Finding the Fourth Proportional to 46.26, 68.88 and 43.63

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Solution

The fourth proportional to 46.26, 68.88 and 43.63 is: 64.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.26 : 68.88 = 43.63 : x
  2. Step 2: Convert to fraction form
    46.26/68.88 = 43.63/x
  3. Step 3: Cross multiply
    46.26x = 68.88 × 43.63
  4. Step 4: Simplify right side
    46.26x = 3,005.23
  5. Step 5: Solve for x
    x = 3,005.23/46.26
  6. Step 6: Final answer
    x = 64.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.