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Finding the Fourth Proportional to 50,650.19, 75,978.52 and 19,485.44

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Solution

The fourth proportional to 50,650.19, 75,978.52 and 19,485.44 is: 29,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,650.19 : 75,978.52 = 19,485.44 : x
  2. Step 2: Convert to fraction form
    50,650.19/75,978.52 = 19,485.44/x
  3. Step 3: Cross multiply
    50,650.19x = 75,978.52 × 19,485.44
  4. Step 4: Simplify right side
    50,650.19x = 1,480,474,661.41
  5. Step 5: Solve for x
    x = 1,480,474,661.41/50,650.19
  6. Step 6: Final answer
    x = 29,229.40

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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.