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Finding the Fourth Proportional to 6,511.83, 8,984.12 and 4,273.49

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Solution

The fourth proportional to 6,511.83, 8,984.12 and 4,273.49 is: 5,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.83 : 8,984.12 = 4,273.49 : x
  2. Step 2: Convert to fraction form
    6,511.83/8,984.12 = 4,273.49/x
  3. Step 3: Cross multiply
    6,511.83x = 8,984.12 × 4,273.49
  4. Step 4: Simplify right side
    6,511.83x = 38,393,548.07
  5. Step 5: Solve for x
    x = 38,393,548.07/6,511.83
  6. Step 6: Final answer
    x = 5,895.97

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Double scale
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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.