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Finding the Fourth Proportional to 3,973.96, 5,484.03 and 2,205.88

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Solution

The fourth proportional to 3,973.96, 5,484.03 and 2,205.88 is: 3,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.96 : 5,484.03 = 2,205.88 : x
  2. Step 2: Convert to fraction form
    3,973.96/5,484.03 = 2,205.88/x
  3. Step 3: Cross multiply
    3,973.96x = 5,484.03 × 2,205.88
  4. Step 4: Simplify right side
    3,973.96x = 12,097,112.10
  5. Step 5: Solve for x
    x = 12,097,112.10/3,973.96
  6. Step 6: Final answer
    x = 3,044.10

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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.