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Finding the Fourth Proportional to 33,482.77, 50,219.70 and 8,520.60

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Solution

The fourth proportional to 33,482.77, 50,219.70 and 8,520.60 is: 12,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,482.77 : 50,219.70 = 8,520.60 : x
  2. Step 2: Convert to fraction form
    33,482.77/50,219.70 = 8,520.60/x
  3. Step 3: Cross multiply
    33,482.77x = 50,219.70 × 8,520.60
  4. Step 4: Simplify right side
    33,482.77x = 427,901,975.82
  5. Step 5: Solve for x
    x = 427,901,975.82/33,482.77
  6. Step 6: Final answer
    x = 12,779.77

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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.