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Finding the Fourth Proportional to 6,254.01, 8,634.27 and 3,899.34

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Solution

The fourth proportional to 6,254.01, 8,634.27 and 3,899.34 is: 5,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.01 : 8,634.27 = 3,899.34 : x
  2. Step 2: Convert to fraction form
    6,254.01/8,634.27 = 3,899.34/x
  3. Step 3: Cross multiply
    6,254.01x = 8,634.27 × 3,899.34
  4. Step 4: Simplify right side
    6,254.01x = 33,667,954.38
  5. Step 5: Solve for x
    x = 33,667,954.38/6,254.01
  6. Step 6: Final answer
    x = 5,383.42

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Half scale
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Double scale
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Similar ratio
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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.