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Finding the Fourth Proportional to 8,529, 11,770.74 and 4,803.72

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Solution

The fourth proportional to 8,529, 11,770.74 and 4,803.72 is: 6,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529 : 11,770.74 = 4,803.72 : x
  2. Step 2: Convert to fraction form
    8,529/11,770.74 = 4,803.72/x
  3. Step 3: Cross multiply
    8,529x = 11,770.74 × 4,803.72
  4. Step 4: Simplify right side
    8,529x = 56,543,339.15
  5. Step 5: Solve for x
    x = 56,543,339.15/8,529
  6. Step 6: Final answer
    x = 6,629.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.