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Finding the Fourth Proportional to 3,672.77, 5,068.67 and 2,079.42

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Solution

The fourth proportional to 3,672.77, 5,068.67 and 2,079.42 is: 2,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.77 : 5,068.67 = 2,079.42 : x
  2. Step 2: Convert to fraction form
    3,672.77/5,068.67 = 2,079.42/x
  3. Step 3: Cross multiply
    3,672.77x = 5,068.67 × 2,079.42
  4. Step 4: Simplify right side
    3,672.77x = 10,539,883.37
  5. Step 5: Solve for x
    x = 10,539,883.37/3,672.77
  6. Step 6: Final answer
    x = 2,869.74

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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.