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Finding the Fourth Proportional to 29,728.59, 44,620.61 and 15,698.99

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Solution

The fourth proportional to 29,728.59, 44,620.61 and 15,698.99 is: 23,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,728.59 : 44,620.61 = 15,698.99 : x
  2. Step 2: Convert to fraction form
    29,728.59/44,620.61 = 15,698.99/x
  3. Step 3: Cross multiply
    29,728.59x = 44,620.61 × 15,698.99
  4. Step 4: Simplify right side
    29,728.59x = 700,498,208.59
  5. Step 5: Solve for x
    x = 700,498,208.59/29,728.59
  6. Step 6: Final answer
    x = 23,563.12

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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.