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Finding the Fourth Proportional to 2,792.88, 4,184.35 and 1,694.72

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Solution

The fourth proportional to 2,792.88, 4,184.35 and 1,694.72 is: 2,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.88 : 4,184.35 = 1,694.72 : x
  2. Step 2: Convert to fraction form
    2,792.88/4,184.35 = 1,694.72/x
  3. Step 3: Cross multiply
    2,792.88x = 4,184.35 × 1,694.72
  4. Step 4: Simplify right side
    2,792.88x = 7,091,301.63
  5. Step 5: Solve for x
    x = 7,091,301.63/2,792.88
  6. Step 6: Final answer
    x = 2,539.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.