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Finding the Fourth Proportional to 46.48, 64.26 and 37.84

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Solution

The fourth proportional to 46.48, 64.26 and 37.84 is: 52.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.48 : 64.26 = 37.84 : x
  2. Step 2: Convert to fraction form
    46.48/64.26 = 37.84/x
  3. Step 3: Cross multiply
    46.48x = 64.26 × 37.84
  4. Step 4: Simplify right side
    46.48x = 2,431.60
  5. Step 5: Solve for x
    x = 2,431.60/46.48
  6. Step 6: Final answer
    x = 52.31

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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.