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Finding the Fourth Proportional to 50,909.98, 76,375.92 and 15,368.32

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Solution

The fourth proportional to 50,909.98, 76,375.92 and 15,368.32 is: 23,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,909.98 : 76,375.92 = 15,368.32 : x
  2. Step 2: Convert to fraction form
    50,909.98/76,375.92 = 15,368.32/x
  3. Step 3: Cross multiply
    50,909.98x = 76,375.92 × 15,368.32
  4. Step 4: Simplify right side
    50,909.98x = 1,173,769,578.85
  5. Step 5: Solve for x
    x = 1,173,769,578.85/50,909.98
  6. Step 6: Final answer
    x = 23,055.79

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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.