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Finding the Fourth Proportional to 46.54, 69.75 and 26.26

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Solution

The fourth proportional to 46.54, 69.75 and 26.26 is: 39.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.54 : 69.75 = 26.26 : x
  2. Step 2: Convert to fraction form
    46.54/69.75 = 26.26/x
  3. Step 3: Cross multiply
    46.54x = 69.75 × 26.26
  4. Step 4: Simplify right side
    46.54x = 1,831.64
  5. Step 5: Solve for x
    x = 1,831.64/46.54
  6. Step 6: Final answer
    x = 39.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.