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Finding the Fourth Proportional to 35,224.46, 48,608.42 and 21,076.46

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Solution

The fourth proportional to 35,224.46, 48,608.42 and 21,076.46 is: 29,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,224.46 : 48,608.42 = 21,076.46 : x
  2. Step 2: Convert to fraction form
    35,224.46/48,608.42 = 21,076.46/x
  3. Step 3: Cross multiply
    35,224.46x = 48,608.42 × 21,076.46
  4. Step 4: Simplify right side
    35,224.46x = 1,024,493,419.79
  5. Step 5: Solve for x
    x = 1,024,493,419.79/35,224.46
  6. Step 6: Final answer
    x = 29,084.72

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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.