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Finding the Fourth Proportional to 35,227, 48,613.38 and 20,323

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Solution

The fourth proportional to 35,227, 48,613.38 and 20,323 is: 28,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,227 : 48,613.38 = 20,323 : x
  2. Step 2: Convert to fraction form
    35,227/48,613.38 = 20,323/x
  3. Step 3: Cross multiply
    35,227x = 48,613.38 × 20,323
  4. Step 4: Simplify right side
    35,227x = 987,969,721.74
  5. Step 5: Solve for x
    x = 987,969,721.74/35,227
  6. Step 6: Final answer
    x = 28,045.81

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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.