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Finding the Fourth Proportional to 1,825.98, 2,740.32 and 1,003.42

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Solution

The fourth proportional to 1,825.98, 2,740.32 and 1,003.42 is: 1,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.98 : 2,740.32 = 1,003.42 : x
  2. Step 2: Convert to fraction form
    1,825.98/2,740.32 = 1,003.42/x
  3. Step 3: Cross multiply
    1,825.98x = 2,740.32 × 1,003.42
  4. Step 4: Simplify right side
    1,825.98x = 2,749,691.89
  5. Step 5: Solve for x
    x = 2,749,691.89/1,825.98
  6. Step 6: Final answer
    x = 1,505.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.