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Finding the Fourth Proportional to 5,681.26, 8,525.78 and 1,983.49

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Solution

The fourth proportional to 5,681.26, 8,525.78 and 1,983.49 is: 2,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.26 : 8,525.78 = 1,983.49 : x
  2. Step 2: Convert to fraction form
    5,681.26/8,525.78 = 1,983.49/x
  3. Step 3: Cross multiply
    5,681.26x = 8,525.78 × 1,983.49
  4. Step 4: Simplify right side
    5,681.26x = 16,910,758.99
  5. Step 5: Solve for x
    x = 16,910,758.99/5,681.26
  6. Step 6: Final answer
    x = 2,976.59

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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.