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Finding the Fourth Proportional to 2,179.35, 3,007.76 and 1,295.15

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Solution

The fourth proportional to 2,179.35, 3,007.76 and 1,295.15 is: 1,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.35 : 3,007.76 = 1,295.15 : x
  2. Step 2: Convert to fraction form
    2,179.35/3,007.76 = 1,295.15/x
  3. Step 3: Cross multiply
    2,179.35x = 3,007.76 × 1,295.15
  4. Step 4: Simplify right side
    2,179.35x = 3,895,478.85
  5. Step 5: Solve for x
    x = 3,895,478.85/2,179.35
  6. Step 6: Final answer
    x = 1,787.45

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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.