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Finding the Fourth Proportional to 4,163.56, 6,242.56 and 1,697.72

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Solution

The fourth proportional to 4,163.56, 6,242.56 and 1,697.72 is: 2,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.56 : 6,242.56 = 1,697.72 : x
  2. Step 2: Convert to fraction form
    4,163.56/6,242.56 = 1,697.72/x
  3. Step 3: Cross multiply
    4,163.56x = 6,242.56 × 1,697.72
  4. Step 4: Simplify right side
    4,163.56x = 10,598,118.96
  5. Step 5: Solve for x
    x = 10,598,118.96/4,163.56
  6. Step 6: Final answer
    x = 2,545.45

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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.