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Finding the Fourth Proportional to 52.93, 72.98 and 35.44

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Solution

The fourth proportional to 52.93, 72.98 and 35.44 is: 48.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.93 : 72.98 = 35.44 : x
  2. Step 2: Convert to fraction form
    52.93/72.98 = 35.44/x
  3. Step 3: Cross multiply
    52.93x = 72.98 × 35.44
  4. Step 4: Simplify right side
    52.93x = 2,586.08
  5. Step 5: Solve for x
    x = 2,586.08/52.93
  6. Step 6: Final answer
    x = 48.86

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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.