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Finding the Fourth Proportional to 14,553.56, 21,812.07 and 6,223.78

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Solution

The fourth proportional to 14,553.56, 21,812.07 and 6,223.78 is: 9,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.56 : 21,812.07 = 6,223.78 : x
  2. Step 2: Convert to fraction form
    14,553.56/21,812.07 = 6,223.78/x
  3. Step 3: Cross multiply
    14,553.56x = 21,812.07 × 6,223.78
  4. Step 4: Simplify right side
    14,553.56x = 135,753,384.85
  5. Step 5: Solve for x
    x = 135,753,384.85/14,553.56
  6. Step 6: Final answer
    x = 9,327.85

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1.5x scale

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.