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Finding the Fourth Proportional to 18,950.72, 26,152 and 10,336.80

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Solution

The fourth proportional to 18,950.72, 26,152 and 10,336.80 is: 14,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.72 : 26,152 = 10,336.80 : x
  2. Step 2: Convert to fraction form
    18,950.72/26,152 = 10,336.80/x
  3. Step 3: Cross multiply
    18,950.72x = 26,152 × 10,336.80
  4. Step 4: Simplify right side
    18,950.72x = 270,327,993.60
  5. Step 5: Solve for x
    x = 270,327,993.60/18,950.72
  6. Step 6: Final answer
    x = 14,264.79

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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.