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Finding the Fourth Proportional to 30,379.56, 41,927.57 and 17,630.00

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Solution

The fourth proportional to 30,379.56, 41,927.57 and 17,630.00 is: 24,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.56 : 41,927.57 = 17,630.00 : x
  2. Step 2: Convert to fraction form
    30,379.56/41,927.57 = 17,630.00/x
  3. Step 3: Cross multiply
    30,379.56x = 41,927.57 × 17,630.00
  4. Step 4: Simplify right side
    30,379.56x = 739,183,207.99
  5. Step 5: Solve for x
    x = 739,183,207.99/30,379.56
  6. Step 6: Final answer
    x = 24,331.60

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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.