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Finding the Fourth Proportional to 2,691, 3,714.78 and 1,895.04

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Solution

The fourth proportional to 2,691, 3,714.78 and 1,895.04 is: 2,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691 : 3,714.78 = 1,895.04 : x
  2. Step 2: Convert to fraction form
    2,691/3,714.78 = 1,895.04/x
  3. Step 3: Cross multiply
    2,691x = 3,714.78 × 1,895.04
  4. Step 4: Simplify right side
    2,691x = 7,039,656.69
  5. Step 5: Solve for x
    x = 7,039,656.69/2,691
  6. Step 6: Final answer
    x = 2,616.00

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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.