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Finding the Fourth Proportional to 3,277.73, 4,891.41 and 2,927.40

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Solution

The fourth proportional to 3,277.73, 4,891.41 and 2,927.40 is: 4,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.73 : 4,891.41 = 2,927.40 : x
  2. Step 2: Convert to fraction form
    3,277.73/4,891.41 = 2,927.40/x
  3. Step 3: Cross multiply
    3,277.73x = 4,891.41 × 2,927.40
  4. Step 4: Simplify right side
    3,277.73x = 14,319,113.63
  5. Step 5: Solve for x
    x = 14,319,113.63/3,277.73
  6. Step 6: Final answer
    x = 4,368.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.