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Finding the Fourth Proportional to 2,066.54, 2,855.92 and 1,692.93

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Solution

The fourth proportional to 2,066.54, 2,855.92 and 1,692.93 is: 2,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.54 : 2,855.92 = 1,692.93 : x
  2. Step 2: Convert to fraction form
    2,066.54/2,855.92 = 1,692.93/x
  3. Step 3: Cross multiply
    2,066.54x = 2,855.92 × 1,692.93
  4. Step 4: Simplify right side
    2,066.54x = 4,834,872.65
  5. Step 5: Solve for x
    x = 4,834,872.65/2,066.54
  6. Step 6: Final answer
    x = 2,339.60

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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.