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Finding the Fourth Proportional to 7,092.44, 10,640.34 and 3,573.80

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Solution

The fourth proportional to 7,092.44, 10,640.34 and 3,573.80 is: 5,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.44 : 10,640.34 = 3,573.80 : x
  2. Step 2: Convert to fraction form
    7,092.44/10,640.34 = 3,573.80/x
  3. Step 3: Cross multiply
    7,092.44x = 10,640.34 × 3,573.80
  4. Step 4: Simplify right side
    7,092.44x = 38,026,393.89
  5. Step 5: Solve for x
    x = 38,026,393.89/7,092.44
  6. Step 6: Final answer
    x = 5,361.54

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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.