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Finding the Fourth Proportional to 19,395.33, 29,065.88 and 10,491.44

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Solution

The fourth proportional to 19,395.33, 29,065.88 and 10,491.44 is: 15,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.33 : 29,065.88 = 10,491.44 : x
  2. Step 2: Convert to fraction form
    19,395.33/29,065.88 = 10,491.44/x
  3. Step 3: Cross multiply
    19,395.33x = 29,065.88 × 10,491.44
  4. Step 4: Simplify right side
    19,395.33x = 304,942,909.84
  5. Step 5: Solve for x
    x = 304,942,909.84/19,395.33
  6. Step 6: Final answer
    x = 15,722.49

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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.