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Finding the Fourth Proportional to 5,697.55, 8,546.55 and 2,189.26

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Solution

The fourth proportional to 5,697.55, 8,546.55 and 2,189.26 is: 3,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.55 : 8,546.55 = 2,189.26 : x
  2. Step 2: Convert to fraction form
    5,697.55/8,546.55 = 2,189.26/x
  3. Step 3: Cross multiply
    5,697.55x = 8,546.55 × 2,189.26
  4. Step 4: Simplify right side
    5,697.55x = 18,710,620.05
  5. Step 5: Solve for x
    x = 18,710,620.05/5,697.55
  6. Step 6: Final answer
    x = 3,283.98

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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.