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Finding the Fourth Proportional to 19,382.43, 29,078.51 and 6,234.51

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Solution

The fourth proportional to 19,382.43, 29,078.51 and 6,234.51 is: 9,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.43 : 29,078.51 = 6,234.51 : x
  2. Step 2: Convert to fraction form
    19,382.43/29,078.51 = 6,234.51/x
  3. Step 3: Cross multiply
    19,382.43x = 29,078.51 × 6,234.51
  4. Step 4: Simplify right side
    19,382.43x = 181,290,230.21
  5. Step 5: Solve for x
    x = 181,290,230.21/19,382.43
  6. Step 6: Final answer
    x = 9,353.33

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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.