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Finding the Fourth Proportional to 7,901.70, 11,845.17 and 3,950.52

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Solution

The fourth proportional to 7,901.70, 11,845.17 and 3,950.52 is: 5,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.70 : 11,845.17 = 3,950.52 : x
  2. Step 2: Convert to fraction form
    7,901.70/11,845.17 = 3,950.52/x
  3. Step 3: Cross multiply
    7,901.70x = 11,845.17 × 3,950.52
  4. Step 4: Simplify right side
    7,901.70x = 46,794,580.99
  5. Step 5: Solve for x
    x = 46,794,580.99/7,901.70
  6. Step 6: Final answer
    x = 5,922.09

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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.