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Finding the Fourth Proportional to 8,042.85, 12,063.90 and 2,199.48

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Solution

The fourth proportional to 8,042.85, 12,063.90 and 2,199.48 is: 3,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.85 : 12,063.90 = 2,199.48 : x
  2. Step 2: Convert to fraction form
    8,042.85/12,063.90 = 2,199.48/x
  3. Step 3: Cross multiply
    8,042.85x = 12,063.90 × 2,199.48
  4. Step 4: Simplify right side
    8,042.85x = 26,534,306.77
  5. Step 5: Solve for x
    x = 26,534,306.77/8,042.85
  6. Step 6: Final answer
    x = 3,299.12

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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.