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Finding the Fourth Proportional to 7,288.48, 10,937.94 and 2,608.48

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Solution

The fourth proportional to 7,288.48, 10,937.94 and 2,608.48 is: 3,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.48 : 10,937.94 = 2,608.48 : x
  2. Step 2: Convert to fraction form
    7,288.48/10,937.94 = 2,608.48/x
  3. Step 3: Cross multiply
    7,288.48x = 10,937.94 × 2,608.48
  4. Step 4: Simplify right side
    7,288.48x = 28,531,397.73
  5. Step 5: Solve for x
    x = 28,531,397.73/7,288.48
  6. Step 6: Final answer
    x = 3,914.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.