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Finding the Fourth Proportional to 50,196.50, 75,299.07 and 13,260.50

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Solution

The fourth proportional to 50,196.50, 75,299.07 and 13,260.50 is: 19,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,196.50 : 75,299.07 = 13,260.50 : x
  2. Step 2: Convert to fraction form
    50,196.50/75,299.07 = 13,260.50/x
  3. Step 3: Cross multiply
    50,196.50x = 75,299.07 × 13,260.50
  4. Step 4: Simplify right side
    50,196.50x = 998,503,317.74
  5. Step 5: Solve for x
    x = 998,503,317.74/50,196.50
  6. Step 6: Final answer
    x = 19,891.89

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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.