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Finding the Fourth Proportional to 46.07, 63.70 and 43.91

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Solution

The fourth proportional to 46.07, 63.70 and 43.91 is: 60.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.07 : 63.70 = 43.91 : x
  2. Step 2: Convert to fraction form
    46.07/63.70 = 43.91/x
  3. Step 3: Cross multiply
    46.07x = 63.70 × 43.91
  4. Step 4: Simplify right side
    46.07x = 2,796.85
  5. Step 5: Solve for x
    x = 2,796.85/46.07
  6. Step 6: Final answer
    x = 60.72

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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.