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Finding the Fourth Proportional to 4,950.18, 7,420.41 and 3,194.91

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Solution

The fourth proportional to 4,950.18, 7,420.41 and 3,194.91 is: 4,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.18 : 7,420.41 = 3,194.91 : x
  2. Step 2: Convert to fraction form
    4,950.18/7,420.41 = 3,194.91/x
  3. Step 3: Cross multiply
    4,950.18x = 7,420.41 × 3,194.91
  4. Step 4: Simplify right side
    4,950.18x = 23,707,542.11
  5. Step 5: Solve for x
    x = 23,707,542.11/4,950.18
  6. Step 6: Final answer
    x = 4,789.23

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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.