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Finding the Fourth Proportional to 6,995.89, 10,491.60 and 2,836.94

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Solution

The fourth proportional to 6,995.89, 10,491.60 and 2,836.94 is: 4,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.89 : 10,491.60 = 2,836.94 : x
  2. Step 2: Convert to fraction form
    6,995.89/10,491.60 = 2,836.94/x
  3. Step 3: Cross multiply
    6,995.89x = 10,491.60 × 2,836.94
  4. Step 4: Simplify right side
    6,995.89x = 29,764,039.70
  5. Step 5: Solve for x
    x = 29,764,039.70/6,995.89
  6. Step 6: Final answer
    x = 4,254.50

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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.