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Finding the Fourth Proportional to 8,910.92, 13,363.14 and 3,065.96

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Solution

The fourth proportional to 8,910.92, 13,363.14 and 3,065.96 is: 4,597.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.92 : 13,363.14 = 3,065.96 : x
  2. Step 2: Convert to fraction form
    8,910.92/13,363.14 = 3,065.96/x
  3. Step 3: Cross multiply
    8,910.92x = 13,363.14 × 3,065.96
  4. Step 4: Simplify right side
    8,910.92x = 40,970,852.71
  5. Step 5: Solve for x
    x = 40,970,852.71/8,910.92
  6. Step 6: Final answer
    x = 4,597.83

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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.