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Finding the Fourth Proportional to 1,754.83, 2,420.92 and 1,091.89

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Solution

The fourth proportional to 1,754.83, 2,420.92 and 1,091.89 is: 1,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.83 : 2,420.92 = 1,091.89 : x
  2. Step 2: Convert to fraction form
    1,754.83/2,420.92 = 1,091.89/x
  3. Step 3: Cross multiply
    1,754.83x = 2,420.92 × 1,091.89
  4. Step 4: Simplify right side
    1,754.83x = 2,643,382.73
  5. Step 5: Solve for x
    x = 2,643,382.73/1,754.83
  6. Step 6: Final answer
    x = 1,506.35

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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.