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Finding the Fourth Proportional to 1,826.79, 2,520.62 and 1,040.82

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Solution

The fourth proportional to 1,826.79, 2,520.62 and 1,040.82 is: 1,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.79 : 2,520.62 = 1,040.82 : x
  2. Step 2: Convert to fraction form
    1,826.79/2,520.62 = 1,040.82/x
  3. Step 3: Cross multiply
    1,826.79x = 2,520.62 × 1,040.82
  4. Step 4: Simplify right side
    1,826.79x = 2,623,493.90
  5. Step 5: Solve for x
    x = 2,623,493.90/1,826.79
  6. Step 6: Final answer
    x = 1,436.13

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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.