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Finding the Fourth Proportional to 6,503.69, 8,975.61 and 3,814.09

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Solution

The fourth proportional to 6,503.69, 8,975.61 and 3,814.09 is: 5,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.69 : 8,975.61 = 3,814.09 : x
  2. Step 2: Convert to fraction form
    6,503.69/8,975.61 = 3,814.09/x
  3. Step 3: Cross multiply
    6,503.69x = 8,975.61 × 3,814.09
  4. Step 4: Simplify right side
    6,503.69x = 34,233,761.91
  5. Step 5: Solve for x
    x = 34,233,761.91/6,503.69
  6. Step 6: Final answer
    x = 5,263.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.