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Finding the Fourth Proportional to 33,235.80, 49,853.70 and 30,240.60

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Solution

The fourth proportional to 33,235.80, 49,853.70 and 30,240.60 is: 45,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,235.80 : 49,853.70 = 30,240.60 : x
  2. Step 2: Convert to fraction form
    33,235.80/49,853.70 = 30,240.60/x
  3. Step 3: Cross multiply
    33,235.80x = 49,853.70 × 30,240.60
  4. Step 4: Simplify right side
    33,235.80x = 1,507,605,800.22
  5. Step 5: Solve for x
    x = 1,507,605,800.22/33,235.80
  6. Step 6: Final answer
    x = 45,360.90

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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.