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Finding the Fourth Proportional to 13,757.65, 18,943.04 and 10,744.94

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Solution

The fourth proportional to 13,757.65, 18,943.04 and 10,744.94 is: 14,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.65 : 18,943.04 = 10,744.94 : x
  2. Step 2: Convert to fraction form
    13,757.65/18,943.04 = 10,744.94/x
  3. Step 3: Cross multiply
    13,757.65x = 18,943.04 × 10,744.94
  4. Step 4: Simplify right side
    13,757.65x = 203,541,733.50
  5. Step 5: Solve for x
    x = 203,541,733.50/13,757.65
  6. Step 6: Final answer
    x = 14,794.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.