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Finding the Fourth Proportional to 2,009.67, 3,014.76 and 693.09

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Solution

The fourth proportional to 2,009.67, 3,014.76 and 693.09 is: 1,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.67 : 3,014.76 = 693.09 : x
  2. Step 2: Convert to fraction form
    2,009.67/3,014.76 = 693.09/x
  3. Step 3: Cross multiply
    2,009.67x = 3,014.76 × 693.09
  4. Step 4: Simplify right side
    2,009.67x = 2,089,500.01
  5. Step 5: Solve for x
    x = 2,089,500.01/2,009.67
  6. Step 6: Final answer
    x = 1,039.72

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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.