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Finding the Fourth Proportional to 2,633.56, 3,950.33 and 784.62

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Solution

The fourth proportional to 2,633.56, 3,950.33 and 784.62 is: 1,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.56 : 3,950.33 = 784.62 : x
  2. Step 2: Convert to fraction form
    2,633.56/3,950.33 = 784.62/x
  3. Step 3: Cross multiply
    2,633.56x = 3,950.33 × 784.62
  4. Step 4: Simplify right side
    2,633.56x = 3,099,516.07
  5. Step 5: Solve for x
    x = 3,099,516.07/2,633.56
  6. Step 6: Final answer
    x = 1,176.93

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Similar ratio
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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.