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Finding the Fourth Proportional to 35.64, 53.17 and 33.92

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Solution

The fourth proportional to 35.64, 53.17 and 33.92 is: 50.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.64 : 53.17 = 33.92 : x
  2. Step 2: Convert to fraction form
    35.64/53.17 = 33.92/x
  3. Step 3: Cross multiply
    35.64x = 53.17 × 33.92
  4. Step 4: Simplify right side
    35.64x = 1,803.57
  5. Step 5: Solve for x
    x = 1,803.57/35.64
  6. Step 6: Final answer
    x = 50.61

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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.