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Finding the Fourth Proportional to 5,468.72, 8,202.20 and 1,958.08

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Solution

The fourth proportional to 5,468.72, 8,202.20 and 1,958.08 is: 2,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468.72 : 8,202.20 = 1,958.08 : x
  2. Step 2: Convert to fraction form
    5,468.72/8,202.20 = 1,958.08/x
  3. Step 3: Cross multiply
    5,468.72x = 8,202.20 × 1,958.08
  4. Step 4: Simplify right side
    5,468.72x = 16,060,522.77
  5. Step 5: Solve for x
    x = 16,060,522.77/5,468.72
  6. Step 6: Final answer
    x = 2,936.80

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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.