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Finding the Fourth Proportional to 16,803.50, 25,205.26 and 4,491.50

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Solution

The fourth proportional to 16,803.50, 25,205.26 and 4,491.50 is: 6,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.50 : 25,205.26 = 4,491.50 : x
  2. Step 2: Convert to fraction form
    16,803.50/25,205.26 = 4,491.50/x
  3. Step 3: Cross multiply
    16,803.50x = 25,205.26 × 4,491.50
  4. Step 4: Simplify right side
    16,803.50x = 113,209,425.29
  5. Step 5: Solve for x
    x = 113,209,425.29/16,803.50
  6. Step 6: Final answer
    x = 6,737.25

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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.