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Finding the Fourth Proportional to 6,413, 8,849.94 and 3,469

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Solution

The fourth proportional to 6,413, 8,849.94 and 3,469 is: 4,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413 : 8,849.94 = 3,469 : x
  2. Step 2: Convert to fraction form
    6,413/8,849.94 = 3,469/x
  3. Step 3: Cross multiply
    6,413x = 8,849.94 × 3,469
  4. Step 4: Simplify right side
    6,413x = 30,700,441.86
  5. Step 5: Solve for x
    x = 30,700,441.86/6,413
  6. Step 6: Final answer
    x = 4,787.22

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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.