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Finding the Fourth Proportional to 6,190.70, 9,287.08 and 3,070.81

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Solution

The fourth proportional to 6,190.70, 9,287.08 and 3,070.81 is: 4,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.70 : 9,287.08 = 3,070.81 : x
  2. Step 2: Convert to fraction form
    6,190.70/9,287.08 = 3,070.81/x
  3. Step 3: Cross multiply
    6,190.70x = 9,287.08 × 3,070.81
  4. Step 4: Simplify right side
    6,190.70x = 28,518,858.13
  5. Step 5: Solve for x
    x = 28,518,858.13/6,190.70
  6. Step 6: Final answer
    x = 4,606.73

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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.