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Finding the Fourth Proportional to 6,287.95, 8,676.07 and 3,769.39

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Solution

The fourth proportional to 6,287.95, 8,676.07 and 3,769.39 is: 5,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.95 : 8,676.07 = 3,769.39 : x
  2. Step 2: Convert to fraction form
    6,287.95/8,676.07 = 3,769.39/x
  3. Step 3: Cross multiply
    6,287.95x = 8,676.07 × 3,769.39
  4. Step 4: Simplify right side
    6,287.95x = 32,703,491.50
  5. Step 5: Solve for x
    x = 32,703,491.50/6,287.95
  6. Step 6: Final answer
    x = 5,200.98

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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.