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Finding the Fourth Proportional to 1,954.83, 2,928.10 and 1,368.44

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Solution

The fourth proportional to 1,954.83, 2,928.10 and 1,368.44 is: 2,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.83 : 2,928.10 = 1,368.44 : x
  2. Step 2: Convert to fraction form
    1,954.83/2,928.10 = 1,368.44/x
  3. Step 3: Cross multiply
    1,954.83x = 2,928.10 × 1,368.44
  4. Step 4: Simplify right side
    1,954.83x = 4,006,941.12
  5. Step 5: Solve for x
    x = 4,006,941.12/1,954.83
  6. Step 6: Final answer
    x = 2,049.76

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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.