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Finding the Fourth Proportional to 1,962.93, 2,708.42 and 1,123.41

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Solution

The fourth proportional to 1,962.93, 2,708.42 and 1,123.41 is: 1,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.93 : 2,708.42 = 1,123.41 : x
  2. Step 2: Convert to fraction form
    1,962.93/2,708.42 = 1,123.41/x
  3. Step 3: Cross multiply
    1,962.93x = 2,708.42 × 1,123.41
  4. Step 4: Simplify right side
    1,962.93x = 3,042,666.11
  5. Step 5: Solve for x
    x = 3,042,666.11/1,962.93
  6. Step 6: Final answer
    x = 1,550.06

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