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Finding the Fourth Proportional to 8,039.40, 12,059.90 and 2,773.71

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Solution

The fourth proportional to 8,039.40, 12,059.90 and 2,773.71 is: 4,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.40 : 12,059.90 = 2,773.71 : x
  2. Step 2: Convert to fraction form
    8,039.40/12,059.90 = 2,773.71/x
  3. Step 3: Cross multiply
    8,039.40x = 12,059.90 × 2,773.71
  4. Step 4: Simplify right side
    8,039.40x = 33,450,665.23
  5. Step 5: Solve for x
    x = 33,450,665.23/8,039.40
  6. Step 6: Final answer
    x = 4,160.84

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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.