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Finding the Fourth Proportional to 16,773, 25,161.30 and 6,384.78

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Solution

The fourth proportional to 16,773, 25,161.30 and 6,384.78 is: 9,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773 : 25,161.30 = 6,384.78 : x
  2. Step 2: Convert to fraction form
    16,773/25,161.30 = 6,384.78/x
  3. Step 3: Cross multiply
    16,773x = 25,161.30 × 6,384.78
  4. Step 4: Simplify right side
    16,773x = 160,649,365.01
  5. Step 5: Solve for x
    x = 160,649,365.01/16,773
  6. Step 6: Final answer
    x = 9,577.86

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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.