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Finding the Fourth Proportional to 46.63, 64.01 and 41.91

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Solution

The fourth proportional to 46.63, 64.01 and 41.91 is: 57.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.63 : 64.01 = 41.91 : x
  2. Step 2: Convert to fraction form
    46.63/64.01 = 41.91/x
  3. Step 3: Cross multiply
    46.63x = 64.01 × 41.91
  4. Step 4: Simplify right side
    46.63x = 2,682.66
  5. Step 5: Solve for x
    x = 2,682.66/46.63
  6. Step 6: Final answer
    x = 57.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.