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Finding the Fourth Proportional to 6,855.52, 10,253.98 and 5,722.90

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Solution

The fourth proportional to 6,855.52, 10,253.98 and 5,722.90 is: 8,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.52 : 10,253.98 = 5,722.90 : x
  2. Step 2: Convert to fraction form
    6,855.52/10,253.98 = 5,722.90/x
  3. Step 3: Cross multiply
    6,855.52x = 10,253.98 × 5,722.90
  4. Step 4: Simplify right side
    6,855.52x = 58,682,502.14
  5. Step 5: Solve for x
    x = 58,682,502.14/6,855.52
  6. Step 6: Final answer
    x = 8,559.89

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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.