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Finding the Fourth Proportional to 53,241.37, 79,794.21 and 28,293.37

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Solution

The fourth proportional to 53,241.37, 79,794.21 and 28,293.37 is: 42,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,241.37 : 79,794.21 = 28,293.37 : x
  2. Step 2: Convert to fraction form
    53,241.37/79,794.21 = 28,293.37/x
  3. Step 3: Cross multiply
    53,241.37x = 79,794.21 × 28,293.37
  4. Step 4: Simplify right side
    53,241.37x = 2,257,646,566.95
  5. Step 5: Solve for x
    x = 2,257,646,566.95/53,241.37
  6. Step 6: Final answer
    x = 42,403.99

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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.