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Finding the Fourth Proportional to 36,920.48, 50,942.03 and 21,802.82

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Solution

The fourth proportional to 36,920.48, 50,942.03 and 21,802.82 is: 30,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.48 : 50,942.03 = 21,802.82 : x
  2. Step 2: Convert to fraction form
    36,920.48/50,942.03 = 21,802.82/x
  3. Step 3: Cross multiply
    36,920.48x = 50,942.03 × 21,802.82
  4. Step 4: Simplify right side
    36,920.48x = 1,110,679,546.80
  5. Step 5: Solve for x
    x = 1,110,679,546.80/36,920.48
  6. Step 6: Final answer
    x = 30,083.02

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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.