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Finding the Fourth Proportional to 1,294.93, 1,933.00 and 1,198.56

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Solution

The fourth proportional to 1,294.93, 1,933.00 and 1,198.56 is: 1,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.93 : 1,933.00 = 1,198.56 : x
  2. Step 2: Convert to fraction form
    1,294.93/1,933.00 = 1,198.56/x
  3. Step 3: Cross multiply
    1,294.93x = 1,933.00 × 1,198.56
  4. Step 4: Simplify right side
    1,294.93x = 2,316,810.49
  5. Step 5: Solve for x
    x = 2,316,810.49/1,294.93
  6. Step 6: Final answer
    x = 1,789.14

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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.