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Finding the Fourth Proportional to 52.50, 72.48 and 46.44

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Solution

The fourth proportional to 52.50, 72.48 and 46.44 is: 64.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.50 : 72.48 = 46.44 : x
  2. Step 2: Convert to fraction form
    52.50/72.48 = 46.44/x
  3. Step 3: Cross multiply
    52.50x = 72.48 × 46.44
  4. Step 4: Simplify right side
    52.50x = 3,365.97
  5. Step 5: Solve for x
    x = 3,365.97/52.50
  6. Step 6: Final answer
    x = 64.11

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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.