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Finding the Fourth Proportional to 35,803.20, 53,704.80 and 33,211.20

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Solution

The fourth proportional to 35,803.20, 53,704.80 and 33,211.20 is: 49,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,803.20 : 53,704.80 = 33,211.20 : x
  2. Step 2: Convert to fraction form
    35,803.20/53,704.80 = 33,211.20/x
  3. Step 3: Cross multiply
    35,803.20x = 53,704.80 × 33,211.20
  4. Step 4: Simplify right side
    35,803.20x = 1,783,600,853.76
  5. Step 5: Solve for x
    x = 1,783,600,853.76/35,803.20
  6. Step 6: Final answer
    x = 49,816.80

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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.