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Finding the Fourth Proportional to 5,549.07, 8,321.82 and 1,850.32

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Solution

The fourth proportional to 5,549.07, 8,321.82 and 1,850.32 is: 2,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.07 : 8,321.82 = 1,850.32 : x
  2. Step 2: Convert to fraction form
    5,549.07/8,321.82 = 1,850.32/x
  3. Step 3: Cross multiply
    5,549.07x = 8,321.82 × 1,850.32
  4. Step 4: Simplify right side
    5,549.07x = 15,398,029.98
  5. Step 5: Solve for x
    x = 15,398,029.98/5,549.07
  6. Step 6: Final answer
    x = 2,774.88

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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.