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Finding the Fourth Proportional to 35.66, 48.95 and 33.86

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Solution

The fourth proportional to 35.66, 48.95 and 33.86 is: 46.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.66 : 48.95 = 33.86 : x
  2. Step 2: Convert to fraction form
    35.66/48.95 = 33.86/x
  3. Step 3: Cross multiply
    35.66x = 48.95 × 33.86
  4. Step 4: Simplify right side
    35.66x = 1,657.45
  5. Step 5: Solve for x
    x = 1,657.45/35.66
  6. Step 6: Final answer
    x = 46.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.