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Finding the Fourth Proportional to 2,065.91, 3,099.87 and 833.49

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Solution

The fourth proportional to 2,065.91, 3,099.87 and 833.49 is: 1,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.91 : 3,099.87 = 833.49 : x
  2. Step 2: Convert to fraction form
    2,065.91/3,099.87 = 833.49/x
  3. Step 3: Cross multiply
    2,065.91x = 3,099.87 × 833.49
  4. Step 4: Simplify right side
    2,065.91x = 2,583,710.65
  5. Step 5: Solve for x
    x = 2,583,710.65/2,065.91
  6. Step 6: Final answer
    x = 1,250.64

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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.