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Finding the Fourth Proportional to 19,711.40, 29,571.83 and 6,563.89

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Solution

The fourth proportional to 19,711.40, 29,571.83 and 6,563.89 is: 9,847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.40 : 29,571.83 = 6,563.89 : x
  2. Step 2: Convert to fraction form
    19,711.40/29,571.83 = 6,563.89/x
  3. Step 3: Cross multiply
    19,711.40x = 29,571.83 × 6,563.89
  4. Step 4: Simplify right side
    19,711.40x = 194,106,206.40
  5. Step 5: Solve for x
    x = 194,106,206.40/19,711.40
  6. Step 6: Final answer
    x = 9,847.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.