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Finding the Fourth Proportional to 8,568.30, 12,852.30 and 2,724.82

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Solution

The fourth proportional to 8,568.30, 12,852.30 and 2,724.82 is: 4,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.30 : 12,852.30 = 2,724.82 : x
  2. Step 2: Convert to fraction form
    8,568.30/12,852.30 = 2,724.82/x
  3. Step 3: Cross multiply
    8,568.30x = 12,852.30 × 2,724.82
  4. Step 4: Simplify right side
    8,568.30x = 35,020,204.09
  5. Step 5: Solve for x
    x = 35,020,204.09/8,568.30
  6. Step 6: Final answer
    x = 4,087.18

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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.