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Finding the Fourth Proportional to 46.22, 62.90 and 46.02

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Solution

The fourth proportional to 46.22, 62.90 and 46.02 is: 62.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.22 : 62.90 = 46.02 : x
  2. Step 2: Convert to fraction form
    46.22/62.90 = 46.02/x
  3. Step 3: Cross multiply
    46.22x = 62.90 × 46.02
  4. Step 4: Simplify right side
    46.22x = 2,894.43
  5. Step 5: Solve for x
    x = 2,894.43/46.22
  6. Step 6: Final answer
    x = 62.63

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.