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Finding the Fourth Proportional to 52.95, 73.13 and 36.36

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Solution

The fourth proportional to 52.95, 73.13 and 36.36 is: 50.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.95 : 73.13 = 36.36 : x
  2. Step 2: Convert to fraction form
    52.95/73.13 = 36.36/x
  3. Step 3: Cross multiply
    52.95x = 73.13 × 36.36
  4. Step 4: Simplify right side
    52.95x = 2,658.83
  5. Step 5: Solve for x
    x = 2,658.83/52.95
  6. Step 6: Final answer
    x = 50.21

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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.