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Finding the Fourth Proportional to 46.34, 63.98 and 45.44

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Solution

The fourth proportional to 46.34, 63.98 and 45.44 is: 62.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.34 : 63.98 = 45.44 : x
  2. Step 2: Convert to fraction form
    46.34/63.98 = 45.44/x
  3. Step 3: Cross multiply
    46.34x = 63.98 × 45.44
  4. Step 4: Simplify right side
    46.34x = 2,907.25
  5. Step 5: Solve for x
    x = 2,907.25/46.34
  6. Step 6: Final answer
    x = 62.74

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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.