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Finding the Fourth Proportional to 1,906.02, 2,629.06 and 1,374.02

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Solution

The fourth proportional to 1,906.02, 2,629.06 and 1,374.02 is: 1,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.02 : 2,629.06 = 1,374.02 : x
  2. Step 2: Convert to fraction form
    1,906.02/2,629.06 = 1,374.02/x
  3. Step 3: Cross multiply
    1,906.02x = 2,629.06 × 1,374.02
  4. Step 4: Simplify right side
    1,906.02x = 3,612,382.29
  5. Step 5: Solve for x
    x = 3,612,382.29/1,906.02
  6. Step 6: Final answer
    x = 1,895.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.