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Finding the Fourth Proportional to 50,604.25, 75,809.78 and 28,350.31

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Solution

The fourth proportional to 50,604.25, 75,809.78 and 28,350.31 is: 42,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,604.25 : 75,809.78 = 28,350.31 : x
  2. Step 2: Convert to fraction form
    50,604.25/75,809.78 = 28,350.31/x
  3. Step 3: Cross multiply
    50,604.25x = 75,809.78 × 28,350.31
  4. Step 4: Simplify right side
    50,604.25x = 2,149,230,503.63
  5. Step 5: Solve for x
    x = 2,149,230,503.63/50,604.25
  6. Step 6: Final answer
    x = 42,471.35

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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.