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Finding the Fourth Proportional to 5,674.90, 8,512.11 and 1,726.03

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Solution

The fourth proportional to 5,674.90, 8,512.11 and 1,726.03 is: 2,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.90 : 8,512.11 = 1,726.03 : x
  2. Step 2: Convert to fraction form
    5,674.90/8,512.11 = 1,726.03/x
  3. Step 3: Cross multiply
    5,674.90x = 8,512.11 × 1,726.03
  4. Step 4: Simplify right side
    5,674.90x = 14,692,157.22
  5. Step 5: Solve for x
    x = 14,692,157.22/5,674.90
  6. Step 6: Final answer
    x = 2,588.97

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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.