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Finding the Fourth Proportional to 33,437.40, 50,131.80 and 13,705.80

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Solution

The fourth proportional to 33,437.40, 50,131.80 and 13,705.80 is: 20,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,437.40 : 50,131.80 = 13,705.80 : x
  2. Step 2: Convert to fraction form
    33,437.40/50,131.80 = 13,705.80/x
  3. Step 3: Cross multiply
    33,437.40x = 50,131.80 × 13,705.80
  4. Step 4: Simplify right side
    33,437.40x = 687,096,424.44
  5. Step 5: Solve for x
    x = 687,096,424.44/33,437.40
  6. Step 6: Final answer
    x = 20,548.74

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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.