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Finding the Fourth Proportional to 50,012.54, 69,042.39 and 38,656.39

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Solution

The fourth proportional to 50,012.54, 69,042.39 and 38,656.39 is: 53,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,012.54 : 69,042.39 = 38,656.39 : x
  2. Step 2: Convert to fraction form
    50,012.54/69,042.39 = 38,656.39/x
  3. Step 3: Cross multiply
    50,012.54x = 69,042.39 × 38,656.39
  4. Step 4: Simplify right side
    50,012.54x = 2,668,929,583.70
  5. Step 5: Solve for x
    x = 2,668,929,583.70/50,012.54
  6. Step 6: Final answer
    x = 53,365.21

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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.