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Finding the Fourth Proportional to 1,974.56, 2,963.63 and 1,050.90

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Solution

The fourth proportional to 1,974.56, 2,963.63 and 1,050.90 is: 1,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.56 : 2,963.63 = 1,050.90 : x
  2. Step 2: Convert to fraction form
    1,974.56/2,963.63 = 1,050.90/x
  3. Step 3: Cross multiply
    1,974.56x = 2,963.63 × 1,050.90
  4. Step 4: Simplify right side
    1,974.56x = 3,114,466.58
  5. Step 5: Solve for x
    x = 3,114,466.58/1,974.56
  6. Step 6: Final answer
    x = 1,577.30

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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.