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Finding the Fourth Proportional to 12,592.24, 18,879.83 and 7,049.41

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Solution

The fourth proportional to 12,592.24, 18,879.83 and 7,049.41 is: 10,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.24 : 18,879.83 = 7,049.41 : x
  2. Step 2: Convert to fraction form
    12,592.24/18,879.83 = 7,049.41/x
  3. Step 3: Cross multiply
    12,592.24x = 18,879.83 × 7,049.41
  4. Step 4: Simplify right side
    12,592.24x = 133,091,568.00
  5. Step 5: Solve for x
    x = 133,091,568.00/12,592.24
  6. Step 6: Final answer
    x = 10,569.34

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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.