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Finding the Fourth Proportional to 46.54, 64.22 and 26.87

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Solution

The fourth proportional to 46.54, 64.22 and 26.87 is: 37.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.54 : 64.22 = 26.87 : x
  2. Step 2: Convert to fraction form
    46.54/64.22 = 26.87/x
  3. Step 3: Cross multiply
    46.54x = 64.22 × 26.87
  4. Step 4: Simplify right side
    46.54x = 1,725.27
  5. Step 5: Solve for x
    x = 1,725.27/46.54
  6. Step 6: Final answer
    x = 37.07

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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.