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Finding the Fourth Proportional to 18,011.97, 24,859.78 and 10,744.54

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Solution

The fourth proportional to 18,011.97, 24,859.78 and 10,744.54 is: 14,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.97 : 24,859.78 = 10,744.54 : x
  2. Step 2: Convert to fraction form
    18,011.97/24,859.78 = 10,744.54/x
  3. Step 3: Cross multiply
    18,011.97x = 24,859.78 × 10,744.54
  4. Step 4: Simplify right side
    18,011.97x = 267,106,811.59
  5. Step 5: Solve for x
    x = 267,106,811.59/18,011.97
  6. Step 6: Final answer
    x = 14,829.41

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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.