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Finding the Fourth Proportional to 2,066.68, 3,099.93 and 833.77

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Solution

The fourth proportional to 2,066.68, 3,099.93 and 833.77 is: 1,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.68 : 3,099.93 = 833.77 : x
  2. Step 2: Convert to fraction form
    2,066.68/3,099.93 = 833.77/x
  3. Step 3: Cross multiply
    2,066.68x = 3,099.93 × 833.77
  4. Step 4: Simplify right side
    2,066.68x = 2,584,628.64
  5. Step 5: Solve for x
    x = 2,584,628.64/2,066.68
  6. Step 6: Final answer
    x = 1,250.62

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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.