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Finding the Fourth Proportional to 10,667.53, 14,718.83 and 6,188.68

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Solution

The fourth proportional to 10,667.53, 14,718.83 and 6,188.68 is: 8,539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.53 : 14,718.83 = 6,188.68 : x
  2. Step 2: Convert to fraction form
    10,667.53/14,718.83 = 6,188.68/x
  3. Step 3: Cross multiply
    10,667.53x = 14,718.83 × 6,188.68
  4. Step 4: Simplify right side
    10,667.53x = 91,090,097.90
  5. Step 5: Solve for x
    x = 91,090,097.90/10,667.53
  6. Step 6: Final answer
    x = 8,539.01

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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.