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Finding the Fourth Proportional to 3,359.15, 5,038.71 and 893.97

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Solution

The fourth proportional to 3,359.15, 5,038.71 and 893.97 is: 1,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.15 : 5,038.71 = 893.97 : x
  2. Step 2: Convert to fraction form
    3,359.15/5,038.71 = 893.97/x
  3. Step 3: Cross multiply
    3,359.15x = 5,038.71 × 893.97
  4. Step 4: Simplify right side
    3,359.15x = 4,504,455.58
  5. Step 5: Solve for x
    x = 4,504,455.58/3,359.15
  6. Step 6: Final answer
    x = 1,340.95

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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.