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Finding the Fourth Proportional to 8,411.94, 12,619.26 and 2,568.06

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Solution

The fourth proportional to 8,411.94, 12,619.26 and 2,568.06 is: 3,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.94 : 12,619.26 = 2,568.06 : x
  2. Step 2: Convert to fraction form
    8,411.94/12,619.26 = 2,568.06/x
  3. Step 3: Cross multiply
    8,411.94x = 12,619.26 × 2,568.06
  4. Step 4: Simplify right side
    8,411.94x = 32,407,016.84
  5. Step 5: Solve for x
    x = 32,407,016.84/8,411.94
  6. Step 6: Final answer
    x = 3,852.50

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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.