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Finding the Fourth Proportional to 8,568.84, 12,853.26 and 3,093

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Solution

The fourth proportional to 8,568.84, 12,853.26 and 3,093 is: 4,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.84 : 12,853.26 = 3,093 : x
  2. Step 2: Convert to fraction form
    8,568.84/12,853.26 = 3,093/x
  3. Step 3: Cross multiply
    8,568.84x = 12,853.26 × 3,093
  4. Step 4: Simplify right side
    8,568.84x = 39,755,133.18
  5. Step 5: Solve for x
    x = 39,755,133.18/8,568.84
  6. Step 6: Final answer
    x = 4,639.50

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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.