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Finding the Fourth Proportional to 46.43, 64.16 and 44.75

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Solution

The fourth proportional to 46.43, 64.16 and 44.75 is: 61.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.43 : 64.16 = 44.75 : x
  2. Step 2: Convert to fraction form
    46.43/64.16 = 44.75/x
  3. Step 3: Cross multiply
    46.43x = 64.16 × 44.75
  4. Step 4: Simplify right side
    46.43x = 2,871.16
  5. Step 5: Solve for x
    x = 2,871.16/46.43
  6. Step 6: Final answer
    x = 61.84

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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.