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Finding the Fourth Proportional to 2,950.50, 4,053.47 and 2,639.88

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Solution

The fourth proportional to 2,950.50, 4,053.47 and 2,639.88 is: 3,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.50 : 4,053.47 = 2,639.88 : x
  2. Step 2: Convert to fraction form
    2,950.50/4,053.47 = 2,639.88/x
  3. Step 3: Cross multiply
    2,950.50x = 4,053.47 × 2,639.88
  4. Step 4: Simplify right side
    2,950.50x = 10,700,672.06
  5. Step 5: Solve for x
    x = 10,700,672.06/2,950.50
  6. Step 6: Final answer
    x = 3,626.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.