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Finding the Fourth Proportional to 7,464.05, 10,300.43 and 4,107.21

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Solution

The fourth proportional to 7,464.05, 10,300.43 and 4,107.21 is: 5,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.05 : 10,300.43 = 4,107.21 : x
  2. Step 2: Convert to fraction form
    7,464.05/10,300.43 = 4,107.21/x
  3. Step 3: Cross multiply
    7,464.05x = 10,300.43 × 4,107.21
  4. Step 4: Simplify right side
    7,464.05x = 42,306,008.56
  5. Step 5: Solve for x
    x = 42,306,008.56/7,464.05
  6. Step 6: Final answer
    x = 5,667.97

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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.