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Finding the Fourth Proportional to 53.36, 73.61 and 33.94

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Solution

The fourth proportional to 53.36, 73.61 and 33.94 is: 46.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.36 : 73.61 = 33.94 : x
  2. Step 2: Convert to fraction form
    53.36/73.61 = 33.94/x
  3. Step 3: Cross multiply
    53.36x = 73.61 × 33.94
  4. Step 4: Simplify right side
    53.36x = 2,498.15
  5. Step 5: Solve for x
    x = 2,498.15/53.36
  6. Step 6: Final answer
    x = 46.82

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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.