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Finding the Fourth Proportional to 2,692.44, 4,039.83 and 1,133.46

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Solution

The fourth proportional to 2,692.44, 4,039.83 and 1,133.46 is: 1,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.44 : 4,039.83 = 1,133.46 : x
  2. Step 2: Convert to fraction form
    2,692.44/4,039.83 = 1,133.46/x
  3. Step 3: Cross multiply
    2,692.44x = 4,039.83 × 1,133.46
  4. Step 4: Simplify right side
    2,692.44x = 4,578,985.71
  5. Step 5: Solve for x
    x = 4,578,985.71/2,692.44
  6. Step 6: Final answer
    x = 1,700.68

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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.