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Finding the Fourth Proportional to 3,359.35, 5,039.87 and 1,973.86

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Solution

The fourth proportional to 3,359.35, 5,039.87 and 1,973.86 is: 2,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.35 : 5,039.87 = 1,973.86 : x
  2. Step 2: Convert to fraction form
    3,359.35/5,039.87 = 1,973.86/x
  3. Step 3: Cross multiply
    3,359.35x = 5,039.87 × 1,973.86
  4. Step 4: Simplify right side
    3,359.35x = 9,947,972.60
  5. Step 5: Solve for x
    x = 9,947,972.60/3,359.35
  6. Step 6: Final answer
    x = 2,961.28

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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.