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Finding the Fourth Proportional to 2,014.75, 2,780.37 and 1,175.98

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Solution

The fourth proportional to 2,014.75, 2,780.37 and 1,175.98 is: 1,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.75 : 2,780.37 = 1,175.98 : x
  2. Step 2: Convert to fraction form
    2,014.75/2,780.37 = 1,175.98/x
  3. Step 3: Cross multiply
    2,014.75x = 2,780.37 × 1,175.98
  4. Step 4: Simplify right side
    2,014.75x = 3,269,659.51
  5. Step 5: Solve for x
    x = 3,269,659.51/2,014.75
  6. Step 6: Final answer
    x = 1,622.86

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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.