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Finding the Fourth Proportional to 8,667.42, 11,960.95 and 4,688.44

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Solution

The fourth proportional to 8,667.42, 11,960.95 and 4,688.44 is: 6,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.42 : 11,960.95 = 4,688.44 : x
  2. Step 2: Convert to fraction form
    8,667.42/11,960.95 = 4,688.44/x
  3. Step 3: Cross multiply
    8,667.42x = 11,960.95 × 4,688.44
  4. Step 4: Simplify right side
    8,667.42x = 56,078,230.87
  5. Step 5: Solve for x
    x = 56,078,230.87/8,667.42
  6. Step 6: Final answer
    x = 6,470.01

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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.