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Finding the Fourth Proportional to 5,169.51, 7,754.27 and 4,253.81

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Solution

The fourth proportional to 5,169.51, 7,754.27 and 4,253.81 is: 6,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.51 : 7,754.27 = 4,253.81 : x
  2. Step 2: Convert to fraction form
    5,169.51/7,754.27 = 4,253.81/x
  3. Step 3: Cross multiply
    5,169.51x = 7,754.27 × 4,253.81
  4. Step 4: Simplify right side
    5,169.51x = 32,985,131.23
  5. Step 5: Solve for x
    x = 32,985,131.23/5,169.51
  6. Step 6: Final answer
    x = 6,380.71

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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.