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Finding the Fourth Proportional to 2,380.76, 3,285.84 and 1,496.70

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Solution

The fourth proportional to 2,380.76, 3,285.84 and 1,496.70 is: 2,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.76 : 3,285.84 = 1,496.70 : x
  2. Step 2: Convert to fraction form
    2,380.76/3,285.84 = 1,496.70/x
  3. Step 3: Cross multiply
    2,380.76x = 3,285.84 × 1,496.70
  4. Step 4: Simplify right side
    2,380.76x = 4,917,916.73
  5. Step 5: Solve for x
    x = 4,917,916.73/2,380.76
  6. Step 6: Final answer
    x = 2,065.69

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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.