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Finding the Fourth Proportional to 5,393.70, 8,085.07 and 4,092.44

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Solution

The fourth proportional to 5,393.70, 8,085.07 and 4,092.44 is: 6,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.70 : 8,085.07 = 4,092.44 : x
  2. Step 2: Convert to fraction form
    5,393.70/8,085.07 = 4,092.44/x
  3. Step 3: Cross multiply
    5,393.70x = 8,085.07 × 4,092.44
  4. Step 4: Simplify right side
    5,393.70x = 33,087,663.87
  5. Step 5: Solve for x
    x = 33,087,663.87/5,393.70
  6. Step 6: Final answer
    x = 6,134.50

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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.