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Finding the Fourth Proportional to 8,063.80, 12,094.30 and 2,219.05

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Solution

The fourth proportional to 8,063.80, 12,094.30 and 2,219.05 is: 3,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.80 : 12,094.30 = 2,219.05 : x
  2. Step 2: Convert to fraction form
    8,063.80/12,094.30 = 2,219.05/x
  3. Step 3: Cross multiply
    8,063.80x = 12,094.30 × 2,219.05
  4. Step 4: Simplify right side
    8,063.80x = 26,837,856.42
  5. Step 5: Solve for x
    x = 26,837,856.42/8,063.80
  6. Step 6: Final answer
    x = 3,328.19

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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.