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Finding the Fourth Proportional to 7,243.75, 9,996.02 and 4,448.71

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Solution

The fourth proportional to 7,243.75, 9,996.02 and 4,448.71 is: 6,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.75 : 9,996.02 = 4,448.71 : x
  2. Step 2: Convert to fraction form
    7,243.75/9,996.02 = 4,448.71/x
  3. Step 3: Cross multiply
    7,243.75x = 9,996.02 × 4,448.71
  4. Step 4: Simplify right side
    7,243.75x = 44,469,355.28
  5. Step 5: Solve for x
    x = 44,469,355.28/7,243.75
  6. Step 6: Final answer
    x = 6,139.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.