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Finding the Fourth Proportional to 5,861.98, 8,085.80 and 4,092.94

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Solution

The fourth proportional to 5,861.98, 8,085.80 and 4,092.94 is: 5,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.98 : 8,085.80 = 4,092.94 : x
  2. Step 2: Convert to fraction form
    5,861.98/8,085.80 = 4,092.94/x
  3. Step 3: Cross multiply
    5,861.98x = 8,085.80 × 4,092.94
  4. Step 4: Simplify right side
    5,861.98x = 33,094,694.25
  5. Step 5: Solve for x
    x = 33,094,694.25/5,861.98
  6. Step 6: Final answer
    x = 5,645.65

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1.5x scale

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.