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Finding the Fourth Proportional to 8,246.36, 12,371.36 and 2,403.42

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Solution

The fourth proportional to 8,246.36, 12,371.36 and 2,403.42 is: 3,605.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.36 : 12,371.36 = 2,403.42 : x
  2. Step 2: Convert to fraction form
    8,246.36/12,371.36 = 2,403.42/x
  3. Step 3: Cross multiply
    8,246.36x = 12,371.36 × 2,403.42
  4. Step 4: Simplify right side
    8,246.36x = 29,733,591.99
  5. Step 5: Solve for x
    x = 29,733,591.99/8,246.36
  6. Step 6: Final answer
    x = 3,605.66

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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.