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Finding the Fourth Proportional to 48.83, 72.93 and 41.23

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Solution

The fourth proportional to 48.83, 72.93 and 41.23 is: 61.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.83 : 72.93 = 41.23 : x
  2. Step 2: Convert to fraction form
    48.83/72.93 = 41.23/x
  3. Step 3: Cross multiply
    48.83x = 72.93 × 41.23
  4. Step 4: Simplify right side
    48.83x = 3,006.72
  5. Step 5: Solve for x
    x = 3,006.72/48.83
  6. Step 6: Final answer
    x = 61.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.