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Finding the Fourth Proportional to 33,187.60, 49,808.60 and 32,928.40

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Solution

The fourth proportional to 33,187.60, 49,808.60 and 32,928.40 is: 49,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.60 : 49,808.60 = 32,928.40 : x
  2. Step 2: Convert to fraction form
    33,187.60/49,808.60 = 32,928.40/x
  3. Step 3: Cross multiply
    33,187.60x = 49,808.60 × 32,928.40
  4. Step 4: Simplify right side
    33,187.60x = 1,640,117,504.24
  5. Step 5: Solve for x
    x = 1,640,117,504.24/33,187.60
  6. Step 6: Final answer
    x = 49,419.59

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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.