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Finding the Fourth Proportional to 8,745.59, 12,067.83 and 6,383.63

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Solution

The fourth proportional to 8,745.59, 12,067.83 and 6,383.63 is: 8,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.59 : 12,067.83 = 6,383.63 : x
  2. Step 2: Convert to fraction form
    8,745.59/12,067.83 = 6,383.63/x
  3. Step 3: Cross multiply
    8,745.59x = 12,067.83 × 6,383.63
  4. Step 4: Simplify right side
    8,745.59x = 77,036,501.28
  5. Step 5: Solve for x
    x = 77,036,501.28/8,745.59
  6. Step 6: Final answer
    x = 8,808.62

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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.