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Finding the Fourth Proportional to 2,041.08, 3,061.46 and 742.84

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Solution

The fourth proportional to 2,041.08, 3,061.46 and 742.84 is: 1,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.08 : 3,061.46 = 742.84 : x
  2. Step 2: Convert to fraction form
    2,041.08/3,061.46 = 742.84/x
  3. Step 3: Cross multiply
    2,041.08x = 3,061.46 × 742.84
  4. Step 4: Simplify right side
    2,041.08x = 2,274,174.95
  5. Step 5: Solve for x
    x = 2,274,174.95/2,041.08
  6. Step 6: Final answer
    x = 1,114.20

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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.