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Finding the Fourth Proportional to 46.58, 64.25 and 27.16

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Solution

The fourth proportional to 46.58, 64.25 and 27.16 is: 37.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.58 : 64.25 = 27.16 : x
  2. Step 2: Convert to fraction form
    46.58/64.25 = 27.16/x
  3. Step 3: Cross multiply
    46.58x = 64.25 × 27.16
  4. Step 4: Simplify right side
    46.58x = 1,745.03
  5. Step 5: Solve for x
    x = 1,745.03/46.58
  6. Step 6: Final answer
    x = 37.46

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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.