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Finding the Fourth Proportional to 5,473.89, 8,203.14 and 2,505.05

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Solution

The fourth proportional to 5,473.89, 8,203.14 and 2,505.05 is: 3,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.89 : 8,203.14 = 2,505.05 : x
  2. Step 2: Convert to fraction form
    5,473.89/8,203.14 = 2,505.05/x
  3. Step 3: Cross multiply
    5,473.89x = 8,203.14 × 2,505.05
  4. Step 4: Simplify right side
    5,473.89x = 20,549,234.84
  5. Step 5: Solve for x
    x = 20,549,234.84/5,473.89
  6. Step 6: Final answer
    x = 3,754.05

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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.