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Finding the Fourth Proportional to 5,672.02, 8,501.78 and 4,847.78

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Solution

The fourth proportional to 5,672.02, 8,501.78 and 4,847.78 is: 7,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.02 : 8,501.78 = 4,847.78 : x
  2. Step 2: Convert to fraction form
    5,672.02/8,501.78 = 4,847.78/x
  3. Step 3: Cross multiply
    5,672.02x = 8,501.78 × 4,847.78
  4. Step 4: Simplify right side
    5,672.02x = 41,214,759.05
  5. Step 5: Solve for x
    x = 41,214,759.05/5,672.02
  6. Step 6: Final answer
    x = 7,266.33

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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.