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Finding the Fourth Proportional to 8,190.46, 12,285.69 and 2,034.46

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Solution

The fourth proportional to 8,190.46, 12,285.69 and 2,034.46 is: 3,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.46 : 12,285.69 = 2,034.46 : x
  2. Step 2: Convert to fraction form
    8,190.46/12,285.69 = 2,034.46/x
  3. Step 3: Cross multiply
    8,190.46x = 12,285.69 × 2,034.46
  4. Step 4: Simplify right side
    8,190.46x = 24,994,744.88
  5. Step 5: Solve for x
    x = 24,994,744.88/8,190.46
  6. Step 6: Final answer
    x = 3,051.69

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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.