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Finding the Fourth Proportional to 6,471.67, 9,699.37 and 2,769.55

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Solution

The fourth proportional to 6,471.67, 9,699.37 and 2,769.55 is: 4,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.67 : 9,699.37 = 2,769.55 : x
  2. Step 2: Convert to fraction form
    6,471.67/9,699.37 = 2,769.55/x
  3. Step 3: Cross multiply
    6,471.67x = 9,699.37 × 2,769.55
  4. Step 4: Simplify right side
    6,471.67x = 26,862,890.18
  5. Step 5: Solve for x
    x = 26,862,890.18/6,471.67
  6. Step 6: Final answer
    x = 4,150.84

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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.