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Finding the Fourth Proportional to 30,799.80, 46,171.96 and 11,073.72

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Solution

The fourth proportional to 30,799.80, 46,171.96 and 11,073.72 is: 16,600.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.80 : 46,171.96 = 11,073.72 : x
  2. Step 2: Convert to fraction form
    30,799.80/46,171.96 = 11,073.72/x
  3. Step 3: Cross multiply
    30,799.80x = 46,171.96 × 11,073.72
  4. Step 4: Simplify right side
    30,799.80x = 511,295,356.89
  5. Step 5: Solve for x
    x = 511,295,356.89/30,799.80
  6. Step 6: Final answer
    x = 16,600.61

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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.