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Finding the Fourth Proportional to 19,022.33, 28,532.95 and 7,338.08

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Solution

The fourth proportional to 19,022.33, 28,532.95 and 7,338.08 is: 11,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.33 : 28,532.95 = 7,338.08 : x
  2. Step 2: Convert to fraction form
    19,022.33/28,532.95 = 7,338.08/x
  3. Step 3: Cross multiply
    19,022.33x = 28,532.95 × 7,338.08
  4. Step 4: Simplify right side
    19,022.33x = 209,377,069.74
  5. Step 5: Solve for x
    x = 209,377,069.74/19,022.33
  6. Step 6: Final answer
    x = 11,006.91

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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.