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Finding the Fourth Proportional to 2,692.57, 4,036.96 and 937.17

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Solution

The fourth proportional to 2,692.57, 4,036.96 and 937.17 is: 1,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.57 : 4,036.96 = 937.17 : x
  2. Step 2: Convert to fraction form
    2,692.57/4,036.96 = 937.17/x
  3. Step 3: Cross multiply
    2,692.57x = 4,036.96 × 937.17
  4. Step 4: Simplify right side
    2,692.57x = 3,783,317.80
  5. Step 5: Solve for x
    x = 3,783,317.80/2,692.57
  6. Step 6: Final answer
    x = 1,405.10

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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.