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Finding the Fourth Proportional to 46.01, 63.47 and 37.81

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Solution

The fourth proportional to 46.01, 63.47 and 37.81 is: 52.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.01 : 63.47 = 37.81 : x
  2. Step 2: Convert to fraction form
    46.01/63.47 = 37.81/x
  3. Step 3: Cross multiply
    46.01x = 63.47 × 37.81
  4. Step 4: Simplify right side
    46.01x = 2,399.97
  5. Step 5: Solve for x
    x = 2,399.97/46.01
  6. Step 6: Final answer
    x = 52.16

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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.