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Finding the Fourth Proportional to 2,484.44, 3,419.48 and 1,985.48

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Solution

The fourth proportional to 2,484.44, 3,419.48 and 1,985.48 is: 2,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.44 : 3,419.48 = 1,985.48 : x
  2. Step 2: Convert to fraction form
    2,484.44/3,419.48 = 1,985.48/x
  3. Step 3: Cross multiply
    2,484.44x = 3,419.48 × 1,985.48
  4. Step 4: Simplify right side
    2,484.44x = 6,789,309.15
  5. Step 5: Solve for x
    x = 6,789,309.15/2,484.44
  6. Step 6: Final answer
    x = 2,732.73

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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.