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Finding the Fourth Proportional to 1,784.94, 2,677.94 and 744.41

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Solution

The fourth proportional to 1,784.94, 2,677.94 and 744.41 is: 1,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.94 : 2,677.94 = 744.41 : x
  2. Step 2: Convert to fraction form
    1,784.94/2,677.94 = 744.41/x
  3. Step 3: Cross multiply
    1,784.94x = 2,677.94 × 744.41
  4. Step 4: Simplify right side
    1,784.94x = 1,993,468.20
  5. Step 5: Solve for x
    x = 1,993,468.20/1,784.94
  6. Step 6: Final answer
    x = 1,116.83

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Why These Related Problems?

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