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Finding the Fourth Proportional to 16,753, 25,129.50 and 4,441

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Solution

The fourth proportional to 16,753, 25,129.50 and 4,441 is: 6,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,753 : 25,129.50 = 4,441 : x
  2. Step 2: Convert to fraction form
    16,753/25,129.50 = 4,441/x
  3. Step 3: Cross multiply
    16,753x = 25,129.50 × 4,441
  4. Step 4: Simplify right side
    16,753x = 111,600,109.50
  5. Step 5: Solve for x
    x = 111,600,109.50/16,753
  6. Step 6: Final answer
    x = 6,661.50

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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.