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Finding the Fourth Proportional to 3,969.99, 5,951.39 and 1,504.17

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Solution

The fourth proportional to 3,969.99, 5,951.39 and 1,504.17 is: 2,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.99 : 5,951.39 = 1,504.17 : x
  2. Step 2: Convert to fraction form
    3,969.99/5,951.39 = 1,504.17/x
  3. Step 3: Cross multiply
    3,969.99x = 5,951.39 × 1,504.17
  4. Step 4: Simplify right side
    3,969.99x = 8,951,894.78
  5. Step 5: Solve for x
    x = 8,951,894.78/3,969.99
  6. Step 6: Final answer
    x = 2,254.89

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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.