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Finding the Fourth Proportional to 6,456.52, 9,684.54 and 3,995.56

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Solution

The fourth proportional to 6,456.52, 9,684.54 and 3,995.56 is: 5,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.52 : 9,684.54 = 3,995.56 : x
  2. Step 2: Convert to fraction form
    6,456.52/9,684.54 = 3,995.56/x
  3. Step 3: Cross multiply
    6,456.52x = 9,684.54 × 3,995.56
  4. Step 4: Simplify right side
    6,456.52x = 38,695,160.64
  5. Step 5: Solve for x
    x = 38,695,160.64/6,456.52
  6. Step 6: Final answer
    x = 5,993.19

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.