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Finding the Fourth Proportional to 33,055.70, 49,611.90 and 13,348.40

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Solution

The fourth proportional to 33,055.70, 49,611.90 and 13,348.40 is: 20,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,055.70 : 49,611.90 = 13,348.40 : x
  2. Step 2: Convert to fraction form
    33,055.70/49,611.90 = 13,348.40/x
  3. Step 3: Cross multiply
    33,055.70x = 49,611.90 × 13,348.40
  4. Step 4: Simplify right side
    33,055.70x = 662,239,485.96
  5. Step 5: Solve for x
    x = 662,239,485.96/33,055.70
  6. Step 6: Final answer
    x = 20,034.05

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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.