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Finding the Fourth Proportional to 7,814.41, 10,783.89 and 4,277.62

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Solution

The fourth proportional to 7,814.41, 10,783.89 and 4,277.62 is: 5,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.41 : 10,783.89 = 4,277.62 : x
  2. Step 2: Convert to fraction form
    7,814.41/10,783.89 = 4,277.62/x
  3. Step 3: Cross multiply
    7,814.41x = 10,783.89 × 4,277.62
  4. Step 4: Simplify right side
    7,814.41x = 46,129,383.54
  5. Step 5: Solve for x
    x = 46,129,383.54/7,814.41
  6. Step 6: Final answer
    x = 5,903.12

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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.