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Finding the Fourth Proportional to 6,452.86, 8,905.78 and 3,800.52

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Solution

The fourth proportional to 6,452.86, 8,905.78 and 3,800.52 is: 5,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452.86 : 8,905.78 = 3,800.52 : x
  2. Step 2: Convert to fraction form
    6,452.86/8,905.78 = 3,800.52/x
  3. Step 3: Cross multiply
    6,452.86x = 8,905.78 × 3,800.52
  4. Step 4: Simplify right side
    6,452.86x = 33,846,595.01
  5. Step 5: Solve for x
    x = 33,846,595.01/6,452.86
  6. Step 6: Final answer
    x = 5,245.21

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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.