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Finding the Fourth Proportional to 10,372.57, 14,313.99 and 5,656.75

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Solution

The fourth proportional to 10,372.57, 14,313.99 and 5,656.75 is: 7,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.57 : 14,313.99 = 5,656.75 : x
  2. Step 2: Convert to fraction form
    10,372.57/14,313.99 = 5,656.75/x
  3. Step 3: Cross multiply
    10,372.57x = 14,313.99 × 5,656.75
  4. Step 4: Simplify right side
    10,372.57x = 80,970,662.93
  5. Step 5: Solve for x
    x = 80,970,662.93/10,372.57
  6. Step 6: Final answer
    x = 7,806.23

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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.