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Finding the Fourth Proportional to 33,777.60, 50,608.80 and 27,902.40

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Solution

The fourth proportional to 33,777.60, 50,608.80 and 27,902.40 is: 41,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,777.60 : 50,608.80 = 27,902.40 : x
  2. Step 2: Convert to fraction form
    33,777.60/50,608.80 = 27,902.40/x
  3. Step 3: Cross multiply
    33,777.60x = 50,608.80 × 27,902.40
  4. Step 4: Simplify right side
    33,777.60x = 1,412,106,981.12
  5. Step 5: Solve for x
    x = 1,412,106,981.12/33,777.60
  6. Step 6: Final answer
    x = 41,806.02

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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.