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Finding the Fourth Proportional to 8,604.11, 12,906.29 and 3,339.41

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Solution

The fourth proportional to 8,604.11, 12,906.29 and 3,339.41 is: 5,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.11 : 12,906.29 = 3,339.41 : x
  2. Step 2: Convert to fraction form
    8,604.11/12,906.29 = 3,339.41/x
  3. Step 3: Cross multiply
    8,604.11x = 12,906.29 × 3,339.41
  4. Step 4: Simplify right side
    8,604.11x = 43,099,409.46
  5. Step 5: Solve for x
    x = 43,099,409.46/8,604.11
  6. Step 6: Final answer
    x = 5,009.17

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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.