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Finding the Fourth Proportional to 5,855.28, 8,077.23 and 3,966.99

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Solution

The fourth proportional to 5,855.28, 8,077.23 and 3,966.99 is: 5,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.28 : 8,077.23 = 3,966.99 : x
  2. Step 2: Convert to fraction form
    5,855.28/8,077.23 = 3,966.99/x
  3. Step 3: Cross multiply
    5,855.28x = 8,077.23 × 3,966.99
  4. Step 4: Simplify right side
    5,855.28x = 32,042,290.64
  5. Step 5: Solve for x
    x = 32,042,290.64/5,855.28
  6. Step 6: Final answer
    x = 5,472.38

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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.