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Finding the Fourth Proportional to 63,096.78, 94,663.41 and 20,401.30

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Solution

The fourth proportional to 63,096.78, 94,663.41 and 20,401.30 is: 30,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,096.78 : 94,663.41 = 20,401.30 : x
  2. Step 2: Convert to fraction form
    63,096.78/94,663.41 = 20,401.30/x
  3. Step 3: Cross multiply
    63,096.78x = 94,663.41 × 20,401.30
  4. Step 4: Simplify right side
    63,096.78x = 1,931,256,626.43
  5. Step 5: Solve for x
    x = 1,931,256,626.43/63,096.78
  6. Step 6: Final answer
    x = 30,607.85

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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.