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Finding the Fourth Proportional to 8,260.57, 12,403.15 and 3,339.82

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Solution

The fourth proportional to 8,260.57, 12,403.15 and 3,339.82 is: 5,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.57 : 12,403.15 = 3,339.82 : x
  2. Step 2: Convert to fraction form
    8,260.57/12,403.15 = 3,339.82/x
  3. Step 3: Cross multiply
    8,260.57x = 12,403.15 × 3,339.82
  4. Step 4: Simplify right side
    8,260.57x = 41,424,226.42
  5. Step 5: Solve for x
    x = 41,424,226.42/8,260.57
  6. Step 6: Final answer
    x = 5,014.70

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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.