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Finding the Fourth Proportional to 40,591.99, 60,895.55 and 14,313.43

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Solution

The fourth proportional to 40,591.99, 60,895.55 and 14,313.43 is: 21,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,591.99 : 60,895.55 = 14,313.43 : x
  2. Step 2: Convert to fraction form
    40,591.99/60,895.55 = 14,313.43/x
  3. Step 3: Cross multiply
    40,591.99x = 60,895.55 × 14,313.43
  4. Step 4: Simplify right side
    40,591.99x = 871,624,192.24
  5. Step 5: Solve for x
    x = 871,624,192.24/40,591.99
  6. Step 6: Final answer
    x = 21,472.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.