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Finding the Fourth Proportional to 1,834.96, 2,753.36 and 969.36

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Solution

The fourth proportional to 1,834.96, 2,753.36 and 969.36 is: 1,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.96 : 2,753.36 = 969.36 : x
  2. Step 2: Convert to fraction form
    1,834.96/2,753.36 = 969.36/x
  3. Step 3: Cross multiply
    1,834.96x = 2,753.36 × 969.36
  4. Step 4: Simplify right side
    1,834.96x = 2,668,997.05
  5. Step 5: Solve for x
    x = 2,668,997.05/1,834.96
  6. Step 6: Final answer
    x = 1,454.53

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1.5x scale

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.