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Finding the Fourth Proportional to 5,185.96, 7,771.26 and 4,267.96

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Solution

The fourth proportional to 5,185.96, 7,771.26 and 4,267.96 is: 6,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.96 : 7,771.26 = 4,267.96 : x
  2. Step 2: Convert to fraction form
    5,185.96/7,771.26 = 4,267.96/x
  3. Step 3: Cross multiply
    5,185.96x = 7,771.26 × 4,267.96
  4. Step 4: Simplify right side
    5,185.96x = 33,167,426.83
  5. Step 5: Solve for x
    x = 33,167,426.83/5,185.96
  6. Step 6: Final answer
    x = 6,395.62

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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.