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Finding the Fourth Proportional to 1,415.75, 1,950.89 and 1,168.83

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Solution

The fourth proportional to 1,415.75, 1,950.89 and 1,168.83 is: 1,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.75 : 1,950.89 = 1,168.83 : x
  2. Step 2: Convert to fraction form
    1,415.75/1,950.89 = 1,168.83/x
  3. Step 3: Cross multiply
    1,415.75x = 1,950.89 × 1,168.83
  4. Step 4: Simplify right side
    1,415.75x = 2,280,252.91
  5. Step 5: Solve for x
    x = 2,280,252.91/1,415.75
  6. Step 6: Final answer
    x = 1,610.64

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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.