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Finding the Fourth Proportional to 46.52, 64.20 and 26.85

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Solution

The fourth proportional to 46.52, 64.20 and 26.85 is: 37.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.52 : 64.20 = 26.85 : x
  2. Step 2: Convert to fraction form
    46.52/64.20 = 26.85/x
  3. Step 3: Cross multiply
    46.52x = 64.20 × 26.85
  4. Step 4: Simplify right side
    46.52x = 1,724.11
  5. Step 5: Solve for x
    x = 1,724.11/46.52
  6. Step 6: Final answer
    x = 37.06

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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.