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Finding the Fourth Proportional to 8,994.08, 13,491.20 and 2,838.08

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Solution

The fourth proportional to 8,994.08, 13,491.20 and 2,838.08 is: 4,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.08 : 13,491.20 = 2,838.08 : x
  2. Step 2: Convert to fraction form
    8,994.08/13,491.20 = 2,838.08/x
  3. Step 3: Cross multiply
    8,994.08x = 13,491.20 × 2,838.08
  4. Step 4: Simplify right side
    8,994.08x = 38,289,104.90
  5. Step 5: Solve for x
    x = 38,289,104.90/8,994.08
  6. Step 6: Final answer
    x = 4,257.15

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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.