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Finding the Fourth Proportional to 3,992.69, 5,505.03 and 2,498.01

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Solution

The fourth proportional to 3,992.69, 5,505.03 and 2,498.01 is: 3,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.69 : 5,505.03 = 2,498.01 : x
  2. Step 2: Convert to fraction form
    3,992.69/5,505.03 = 2,498.01/x
  3. Step 3: Cross multiply
    3,992.69x = 5,505.03 × 2,498.01
  4. Step 4: Simplify right side
    3,992.69x = 13,751,619.99
  5. Step 5: Solve for x
    x = 13,751,619.99/3,992.69
  6. Step 6: Final answer
    x = 3,444.20

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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.