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Finding the Fourth Proportional to 53.34, 73.64 and 33.95

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Solution

The fourth proportional to 53.34, 73.64 and 33.95 is: 46.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.34 : 73.64 = 33.95 : x
  2. Step 2: Convert to fraction form
    53.34/73.64 = 33.95/x
  3. Step 3: Cross multiply
    53.34x = 73.64 × 33.95
  4. Step 4: Simplify right side
    53.34x = 2,499.54
  5. Step 5: Solve for x
    x = 2,499.54/53.34
  6. Step 6: Final answer
    x = 46.86

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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.