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Finding the Fourth Proportional to 63,154, 94,731.54 and 21,601

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Solution

The fourth proportional to 63,154, 94,731.54 and 21,601 is: 32,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154 : 94,731.54 = 21,601 : x
  2. Step 2: Convert to fraction form
    63,154/94,731.54 = 21,601/x
  3. Step 3: Cross multiply
    63,154x = 94,731.54 × 21,601
  4. Step 4: Simplify right side
    63,154x = 2,046,295,995.54
  5. Step 5: Solve for x
    x = 2,046,295,995.54/63,154
  6. Step 6: Final answer
    x = 32,401.68

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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.