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Finding the Fourth Proportional to 50,050.88, 74,888.40 and 29,986.64

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Solution

The fourth proportional to 50,050.88, 74,888.40 and 29,986.64 is: 44,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,050.88 : 74,888.40 = 29,986.64 : x
  2. Step 2: Convert to fraction form
    50,050.88/74,888.40 = 29,986.64/x
  3. Step 3: Cross multiply
    50,050.88x = 74,888.40 × 29,986.64
  4. Step 4: Simplify right side
    50,050.88x = 2,245,651,490.98
  5. Step 5: Solve for x
    x = 2,245,651,490.98/50,050.88
  6. Step 6: Final answer
    x = 44,867.37

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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.