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Finding the Fourth Proportional to 3,892.66, 5,834.90 and 1,700.80

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Solution

The fourth proportional to 3,892.66, 5,834.90 and 1,700.80 is: 2,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.66 : 5,834.90 = 1,700.80 : x
  2. Step 2: Convert to fraction form
    3,892.66/5,834.90 = 1,700.80/x
  3. Step 3: Cross multiply
    3,892.66x = 5,834.90 × 1,700.80
  4. Step 4: Simplify right side
    3,892.66x = 9,923,987.58
  5. Step 5: Solve for x
    x = 9,923,987.58/3,892.66
  6. Step 6: Final answer
    x = 2,549.41

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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.