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Finding the Fourth Proportional to 6,125.94, 9,189.11 and 2,919.54

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Solution

The fourth proportional to 6,125.94, 9,189.11 and 2,919.54 is: 4,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.94 : 9,189.11 = 2,919.54 : x
  2. Step 2: Convert to fraction form
    6,125.94/9,189.11 = 2,919.54/x
  3. Step 3: Cross multiply
    6,125.94x = 9,189.11 × 2,919.54
  4. Step 4: Simplify right side
    6,125.94x = 26,827,974.21
  5. Step 5: Solve for x
    x = 26,827,974.21/6,125.94
  6. Step 6: Final answer
    x = 4,379.41

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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.