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Finding the Fourth Proportional to 13,744.51, 20,620.01 and 10,943.94

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Solution

The fourth proportional to 13,744.51, 20,620.01 and 10,943.94 is: 16,418.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.51 : 20,620.01 = 10,943.94 : x
  2. Step 2: Convert to fraction form
    13,744.51/20,620.01 = 10,943.94/x
  3. Step 3: Cross multiply
    13,744.51x = 20,620.01 × 10,943.94
  4. Step 4: Simplify right side
    13,744.51x = 225,664,152.24
  5. Step 5: Solve for x
    x = 225,664,152.24/13,744.51
  6. Step 6: Final answer
    x = 16,418.49

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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.