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Finding the Fourth Proportional to 8,874.75, 13,314.39 and 3,328.11

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Solution

The fourth proportional to 8,874.75, 13,314.39 and 3,328.11 is: 4,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.75 : 13,314.39 = 3,328.11 : x
  2. Step 2: Convert to fraction form
    8,874.75/13,314.39 = 3,328.11/x
  3. Step 3: Cross multiply
    8,874.75x = 13,314.39 × 3,328.11
  4. Step 4: Simplify right side
    8,874.75x = 44,311,754.50
  5. Step 5: Solve for x
    x = 44,311,754.50/8,874.75
  6. Step 6: Final answer
    x = 4,993.01

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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.