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Finding the Fourth Proportional to 6,482.72, 8,945.01 and 3,830.96

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Solution

The fourth proportional to 6,482.72, 8,945.01 and 3,830.96 is: 5,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.72 : 8,945.01 = 3,830.96 : x
  2. Step 2: Convert to fraction form
    6,482.72/8,945.01 = 3,830.96/x
  3. Step 3: Cross multiply
    6,482.72x = 8,945.01 × 3,830.96
  4. Step 4: Simplify right side
    6,482.72x = 34,267,930.78
  5. Step 5: Solve for x
    x = 34,267,930.78/6,482.72
  6. Step 6: Final answer
    x = 5,286.05

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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.