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Finding the Fourth Proportional to 52.33, 72.06 and 41.38

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Solution

The fourth proportional to 52.33, 72.06 and 41.38 is: 56.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.33 : 72.06 = 41.38 : x
  2. Step 2: Convert to fraction form
    52.33/72.06 = 41.38/x
  3. Step 3: Cross multiply
    52.33x = 72.06 × 41.38
  4. Step 4: Simplify right side
    52.33x = 2,981.84
  5. Step 5: Solve for x
    x = 2,981.84/52.33
  6. Step 6: Final answer
    x = 56.98

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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.