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Finding the Fourth Proportional to 1,364.94, 2,035.94 and 1,274.22

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Solution

The fourth proportional to 1,364.94, 2,035.94 and 1,274.22 is: 1,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.94 : 2,035.94 = 1,274.22 : x
  2. Step 2: Convert to fraction form
    1,364.94/2,035.94 = 1,274.22/x
  3. Step 3: Cross multiply
    1,364.94x = 2,035.94 × 1,274.22
  4. Step 4: Simplify right side
    1,364.94x = 2,594,229.10
  5. Step 5: Solve for x
    x = 2,594,229.10/1,364.94
  6. Step 6: Final answer
    x = 1,900.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.