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Finding the Fourth Proportional to 50,651.63, 69,899.25 and 28,295.63

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Solution

The fourth proportional to 50,651.63, 69,899.25 and 28,295.63 is: 39,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651.63 : 69,899.25 = 28,295.63 : x
  2. Step 2: Convert to fraction form
    50,651.63/69,899.25 = 28,295.63/x
  3. Step 3: Cross multiply
    50,651.63x = 69,899.25 × 28,295.63
  4. Step 4: Simplify right side
    50,651.63x = 1,977,843,315.28
  5. Step 5: Solve for x
    x = 1,977,843,315.28/50,651.63
  6. Step 6: Final answer
    x = 39,047.97

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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.