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Finding the Fourth Proportional to 45.52, 67.95 and 41.67

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Solution

The fourth proportional to 45.52, 67.95 and 41.67 is: 62.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.52 : 67.95 = 41.67 : x
  2. Step 2: Convert to fraction form
    45.52/67.95 = 41.67/x
  3. Step 3: Cross multiply
    45.52x = 67.95 × 41.67
  4. Step 4: Simplify right side
    45.52x = 2,831.48
  5. Step 5: Solve for x
    x = 2,831.48/45.52
  6. Step 6: Final answer
    x = 62.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.