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Finding the Fourth Proportional to 1,834.92, 2,750.62 and 969.32

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Solution

The fourth proportional to 1,834.92, 2,750.62 and 969.32 is: 1,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.92 : 2,750.62 = 969.32 : x
  2. Step 2: Convert to fraction form
    1,834.92/2,750.62 = 969.32/x
  3. Step 3: Cross multiply
    1,834.92x = 2,750.62 × 969.32
  4. Step 4: Simplify right side
    1,834.92x = 2,666,230.98
  5. Step 5: Solve for x
    x = 2,666,230.98/1,834.92
  6. Step 6: Final answer
    x = 1,453.05

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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.