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Finding the Fourth Proportional to 2,500.43, 3,449.84 and 1,755

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Solution

The fourth proportional to 2,500.43, 3,449.84 and 1,755 is: 2,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.43 : 3,449.84 = 1,755 : x
  2. Step 2: Convert to fraction form
    2,500.43/3,449.84 = 1,755/x
  3. Step 3: Cross multiply
    2,500.43x = 3,449.84 × 1,755
  4. Step 4: Simplify right side
    2,500.43x = 6,054,460.43
  5. Step 5: Solve for x
    x = 6,054,460.43/2,500.43
  6. Step 6: Final answer
    x = 2,421.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.