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Finding the Fourth Proportional to 33,599.49, 50,289.89 and 20,390.01

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Solution

The fourth proportional to 33,599.49, 50,289.89 and 20,390.01 is: 30,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,599.49 : 50,289.89 = 20,390.01 : x
  2. Step 2: Convert to fraction form
    33,599.49/50,289.89 = 20,390.01/x
  3. Step 3: Cross multiply
    33,599.49x = 50,289.89 × 20,390.01
  4. Step 4: Simplify right side
    33,599.49x = 1,025,411,258.05
  5. Step 5: Solve for x
    x = 1,025,411,258.05/33,599.49
  6. Step 6: Final answer
    x = 30,518.66

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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.