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Finding the Fourth Proportional to 50,405.69, 75,619.47 and 15,344.44

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Solution

The fourth proportional to 50,405.69, 75,619.47 and 15,344.44 is: 23,019.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,405.69 : 75,619.47 = 15,344.44 : x
  2. Step 2: Convert to fraction form
    50,405.69/75,619.47 = 15,344.44/x
  3. Step 3: Cross multiply
    50,405.69x = 75,619.47 × 15,344.44
  4. Step 4: Simplify right side
    50,405.69x = 1,160,338,288.74
  5. Step 5: Solve for x
    x = 1,160,338,288.74/50,405.69
  6. Step 6: Final answer
    x = 23,019.99

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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.