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Finding the Fourth Proportional to 55,482.75, 83,245.09 and 33,311.60

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Solution

The fourth proportional to 55,482.75, 83,245.09 and 33,311.60 is: 49,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,482.75 : 83,245.09 = 33,311.60 : x
  2. Step 2: Convert to fraction form
    55,482.75/83,245.09 = 33,311.60/x
  3. Step 3: Cross multiply
    55,482.75x = 83,245.09 × 33,311.60
  4. Step 4: Simplify right side
    55,482.75x = 2,773,026,640.54
  5. Step 5: Solve for x
    x = 2,773,026,640.54/55,482.75
  6. Step 6: Final answer
    x = 49,979.98

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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.