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Finding the Fourth Proportional to 12,476.93, 18,699.83 and 6,238.73

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Solution

The fourth proportional to 12,476.93, 18,699.83 and 6,238.73 is: 9,350.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.93 : 18,699.83 = 6,238.73 : x
  2. Step 2: Convert to fraction form
    12,476.93/18,699.83 = 6,238.73/x
  3. Step 3: Cross multiply
    12,476.93x = 18,699.83 × 6,238.73
  4. Step 4: Simplify right side
    12,476.93x = 116,663,189.92
  5. Step 5: Solve for x
    x = 116,663,189.92/12,476.93
  6. Step 6: Final answer
    x = 9,350.31

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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.