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Finding the Fourth Proportional to 50,650.63, 69,897.87 and 28,294.63

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Solution

The fourth proportional to 50,650.63, 69,897.87 and 28,294.63 is: 39,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,650.63 : 69,897.87 = 28,294.63 : x
  2. Step 2: Convert to fraction form
    50,650.63/69,897.87 = 28,294.63/x
  3. Step 3: Cross multiply
    50,650.63x = 69,897.87 × 28,294.63
  4. Step 4: Simplify right side
    50,650.63x = 1,977,734,369.44
  5. Step 5: Solve for x
    x = 1,977,734,369.44/50,650.63
  6. Step 6: Final answer
    x = 39,046.59

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1.5x scale

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.