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Finding the Fourth Proportional to 30,245.56, 41,738.84 and 16,816.39

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Solution

The fourth proportional to 30,245.56, 41,738.84 and 16,816.39 is: 23,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.56 : 41,738.84 = 16,816.39 : x
  2. Step 2: Convert to fraction form
    30,245.56/41,738.84 = 16,816.39/x
  3. Step 3: Cross multiply
    30,245.56x = 41,738.84 × 16,816.39
  4. Step 4: Simplify right side
    30,245.56x = 701,896,527.51
  5. Step 5: Solve for x
    x = 701,896,527.51/30,245.56
  6. Step 6: Final answer
    x = 23,206.60

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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.