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Finding the Fourth Proportional to 3,809.84, 5,698.97 and 3,576.56

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Solution

The fourth proportional to 3,809.84, 5,698.97 and 3,576.56 is: 5,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.84 : 5,698.97 = 3,576.56 : x
  2. Step 2: Convert to fraction form
    3,809.84/5,698.97 = 3,576.56/x
  3. Step 3: Cross multiply
    3,809.84x = 5,698.97 × 3,576.56
  4. Step 4: Simplify right side
    3,809.84x = 20,382,704.51
  5. Step 5: Solve for x
    x = 20,382,704.51/3,809.84
  6. Step 6: Final answer
    x = 5,350.01

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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.