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Finding the Fourth Proportional to 3,369.50, 5,054.25 and 1,061

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Solution

The fourth proportional to 3,369.50, 5,054.25 and 1,061 is: 1,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.50 : 5,054.25 = 1,061 : x
  2. Step 2: Convert to fraction form
    3,369.50/5,054.25 = 1,061/x
  3. Step 3: Cross multiply
    3,369.50x = 5,054.25 × 1,061
  4. Step 4: Simplify right side
    3,369.50x = 5,362,559.25
  5. Step 5: Solve for x
    x = 5,362,559.25/3,369.50
  6. Step 6: Final answer
    x = 1,591.50

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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.