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Finding the Fourth Proportional to 8,606.06, 12,910.26 and 3,411.50

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Solution

The fourth proportional to 8,606.06, 12,910.26 and 3,411.50 is: 5,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.06 : 12,910.26 = 3,411.50 : x
  2. Step 2: Convert to fraction form
    8,606.06/12,910.26 = 3,411.50/x
  3. Step 3: Cross multiply
    8,606.06x = 12,910.26 × 3,411.50
  4. Step 4: Simplify right side
    8,606.06x = 44,043,351.99
  5. Step 5: Solve for x
    x = 44,043,351.99/8,606.06
  6. Step 6: Final answer
    x = 5,117.71

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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.