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Finding the Fourth Proportional to 7,363.26, 11,034.12 and 3,415.74

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Solution

The fourth proportional to 7,363.26, 11,034.12 and 3,415.74 is: 5,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.26 : 11,034.12 = 3,415.74 : x
  2. Step 2: Convert to fraction form
    7,363.26/11,034.12 = 3,415.74/x
  3. Step 3: Cross multiply
    7,363.26x = 11,034.12 × 3,415.74
  4. Step 4: Simplify right side
    7,363.26x = 37,689,685.05
  5. Step 5: Solve for x
    x = 37,689,685.05/7,363.26
  6. Step 6: Final answer
    x = 5,118.61

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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.