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Finding the Fourth Proportional to 2,625.67, 3,939.87 and 1,700.99

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Solution

The fourth proportional to 2,625.67, 3,939.87 and 1,700.99 is: 2,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.67 : 3,939.87 = 1,700.99 : x
  2. Step 2: Convert to fraction form
    2,625.67/3,939.87 = 1,700.99/x
  3. Step 3: Cross multiply
    2,625.67x = 3,939.87 × 1,700.99
  4. Step 4: Simplify right side
    2,625.67x = 6,701,659.77
  5. Step 5: Solve for x
    x = 6,701,659.77/2,625.67
  6. Step 6: Final answer
    x = 2,552.37

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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.