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Finding the Fourth Proportional to 50,872.53, 70,212.29 and 29,647.70

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Solution

The fourth proportional to 50,872.53, 70,212.29 and 29,647.70 is: 40,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872.53 : 70,212.29 = 29,647.70 : x
  2. Step 2: Convert to fraction form
    50,872.53/70,212.29 = 29,647.70/x
  3. Step 3: Cross multiply
    50,872.53x = 70,212.29 × 29,647.70
  4. Step 4: Simplify right side
    50,872.53x = 2,081,632,910.23
  5. Step 5: Solve for x
    x = 2,081,632,910.23/50,872.53
  6. Step 6: Final answer
    x = 40,918.60

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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.