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Finding the Fourth Proportional to 2,060.86, 3,086.42 and 1,409.62

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Solution

The fourth proportional to 2,060.86, 3,086.42 and 1,409.62 is: 2,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.86 : 3,086.42 = 1,409.62 : x
  2. Step 2: Convert to fraction form
    2,060.86/3,086.42 = 1,409.62/x
  3. Step 3: Cross multiply
    2,060.86x = 3,086.42 × 1,409.62
  4. Step 4: Simplify right side
    2,060.86x = 4,350,679.36
  5. Step 5: Solve for x
    x = 4,350,679.36/2,060.86
  6. Step 6: Final answer
    x = 2,111.10

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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.