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Finding the Fourth Proportional to 2,179.34, 3,007.02 and 1,295.46

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Solution

The fourth proportional to 2,179.34, 3,007.02 and 1,295.46 is: 1,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.34 : 3,007.02 = 1,295.46 : x
  2. Step 2: Convert to fraction form
    2,179.34/3,007.02 = 1,295.46/x
  3. Step 3: Cross multiply
    2,179.34x = 3,007.02 × 1,295.46
  4. Step 4: Simplify right side
    2,179.34x = 3,895,474.13
  5. Step 5: Solve for x
    x = 3,895,474.13/2,179.34
  6. Step 6: Final answer
    x = 1,787.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.