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Finding the Fourth Proportional to 33,574.40, 50,329.60 and 12,508.80

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Solution

The fourth proportional to 33,574.40, 50,329.60 and 12,508.80 is: 18,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,574.40 : 50,329.60 = 12,508.80 : x
  2. Step 2: Convert to fraction form
    33,574.40/50,329.60 = 12,508.80/x
  3. Step 3: Cross multiply
    33,574.40x = 50,329.60 × 12,508.80
  4. Step 4: Simplify right side
    33,574.40x = 629,562,900.48
  5. Step 5: Solve for x
    x = 629,562,900.48/33,574.40
  6. Step 6: Final answer
    x = 18,751.28

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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.