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Finding the Fourth Proportional to 50,379.25, 69,523.77 and 28,023.25

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Solution

The fourth proportional to 50,379.25, 69,523.77 and 28,023.25 is: 38,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,379.25 : 69,523.77 = 28,023.25 : x
  2. Step 2: Convert to fraction form
    50,379.25/69,523.77 = 28,023.25/x
  3. Step 3: Cross multiply
    50,379.25x = 69,523.77 × 28,023.25
  4. Step 4: Simplify right side
    50,379.25x = 1,948,281,987.65
  5. Step 5: Solve for x
    x = 1,948,281,987.65/50,379.25
  6. Step 6: Final answer
    x = 38,672.31

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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.