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Finding the Fourth Proportional to 50,881.80, 76,329.90 and 15,817.80

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Solution

The fourth proportional to 50,881.80, 76,329.90 and 15,817.80 is: 23,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.80 : 76,329.90 = 15,817.80 : x
  2. Step 2: Convert to fraction form
    50,881.80/76,329.90 = 15,817.80/x
  3. Step 3: Cross multiply
    50,881.80x = 76,329.90 × 15,817.80
  4. Step 4: Simplify right side
    50,881.80x = 1,207,371,092.22
  5. Step 5: Solve for x
    x = 1,207,371,092.22/50,881.80
  6. Step 6: Final answer
    x = 23,728.94

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1.5x scale

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.