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Finding the Fourth Proportional to 52.59, 72.41 and 50.07

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Solution

The fourth proportional to 52.59, 72.41 and 50.07 is: 68.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.59 : 72.41 = 50.07 : x
  2. Step 2: Convert to fraction form
    52.59/72.41 = 50.07/x
  3. Step 3: Cross multiply
    52.59x = 72.41 × 50.07
  4. Step 4: Simplify right side
    52.59x = 3,625.32
  5. Step 5: Solve for x
    x = 3,625.32/52.59
  6. Step 6: Final answer
    x = 68.94

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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.