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Finding the Fourth Proportional to 50,984.85, 70,361.52 and 28,323.90

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Solution

The fourth proportional to 50,984.85, 70,361.52 and 28,323.90 is: 39,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,984.85 : 70,361.52 = 28,323.90 : x
  2. Step 2: Convert to fraction form
    50,984.85/70,361.52 = 28,323.90/x
  3. Step 3: Cross multiply
    50,984.85x = 70,361.52 × 28,323.90
  4. Step 4: Simplify right side
    50,984.85x = 1,992,912,656.33
  5. Step 5: Solve for x
    x = 1,992,912,656.33/50,984.85
  6. Step 6: Final answer
    x = 39,088.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.