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Finding the Fourth Proportional to 1,850.63, 2,553.86 and 1,022.63

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Solution

The fourth proportional to 1,850.63, 2,553.86 and 1,022.63 is: 1,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.63 : 2,553.86 = 1,022.63 : x
  2. Step 2: Convert to fraction form
    1,850.63/2,553.86 = 1,022.63/x
  3. Step 3: Cross multiply
    1,850.63x = 2,553.86 × 1,022.63
  4. Step 4: Simplify right side
    1,850.63x = 2,611,643.64
  5. Step 5: Solve for x
    x = 2,611,643.64/1,850.63
  6. Step 6: Final answer
    x = 1,411.22

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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.