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Finding the Fourth Proportional to 33,661.40, 50,506.65 and 18,060.80

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Solution

The fourth proportional to 33,661.40, 50,506.65 and 18,060.80 is: 27,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,661.40 : 50,506.65 = 18,060.80 : x
  2. Step 2: Convert to fraction form
    33,661.40/50,506.65 = 18,060.80/x
  3. Step 3: Cross multiply
    33,661.40x = 50,506.65 × 18,060.80
  4. Step 4: Simplify right side
    33,661.40x = 912,190,251.79
  5. Step 5: Solve for x
    x = 912,190,251.79/33,661.40
  6. Step 6: Final answer
    x = 27,099.00

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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.