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Finding the Fourth Proportional to 5,940.89, 8,905.19 and 2,429.39

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Solution

The fourth proportional to 5,940.89, 8,905.19 and 2,429.39 is: 3,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.89 : 8,905.19 = 2,429.39 : x
  2. Step 2: Convert to fraction form
    5,940.89/8,905.19 = 2,429.39/x
  3. Step 3: Cross multiply
    5,940.89x = 8,905.19 × 2,429.39
  4. Step 4: Simplify right side
    5,940.89x = 21,634,203.32
  5. Step 5: Solve for x
    x = 21,634,203.32/5,940.89
  6. Step 6: Final answer
    x = 3,641.57

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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.