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Finding the Fourth Proportional to 29,859.80, 44,811.30 and 16,698.20

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Solution

The fourth proportional to 29,859.80, 44,811.30 and 16,698.20 is: 25,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,859.80 : 44,811.30 = 16,698.20 : x
  2. Step 2: Convert to fraction form
    29,859.80/44,811.30 = 16,698.20/x
  3. Step 3: Cross multiply
    29,859.80x = 44,811.30 × 16,698.20
  4. Step 4: Simplify right side
    29,859.80x = 748,268,049.66
  5. Step 5: Solve for x
    x = 748,268,049.66/29,859.80
  6. Step 6: Final answer
    x = 25,059.38

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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.