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Finding the Fourth Proportional to 1,634.32, 2,451.71 and 940.83

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Solution

The fourth proportional to 1,634.32, 2,451.71 and 940.83 is: 1,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.32 : 2,451.71 = 940.83 : x
  2. Step 2: Convert to fraction form
    1,634.32/2,451.71 = 940.83/x
  3. Step 3: Cross multiply
    1,634.32x = 2,451.71 × 940.83
  4. Step 4: Simplify right side
    1,634.32x = 2,306,642.32
  5. Step 5: Solve for x
    x = 2,306,642.32/1,634.32
  6. Step 6: Final answer
    x = 1,411.38

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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.