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Finding the Fourth Proportional to 33,322.20, 49,983.30 and 8,698.20

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Solution

The fourth proportional to 33,322.20, 49,983.30 and 8,698.20 is: 13,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,322.20 : 49,983.30 = 8,698.20 : x
  2. Step 2: Convert to fraction form
    33,322.20/49,983.30 = 8,698.20/x
  3. Step 3: Cross multiply
    33,322.20x = 49,983.30 × 8,698.20
  4. Step 4: Simplify right side
    33,322.20x = 434,764,740.06
  5. Step 5: Solve for x
    x = 434,764,740.06/33,322.20
  6. Step 6: Final answer
    x = 13,047.30

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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.