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Finding the Fourth Proportional to 19,333.54, 29,007.22 and 11,929.38

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Solution

The fourth proportional to 19,333.54, 29,007.22 and 11,929.38 is: 17,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.54 : 29,007.22 = 11,929.38 : x
  2. Step 2: Convert to fraction form
    19,333.54/29,007.22 = 11,929.38/x
  3. Step 3: Cross multiply
    19,333.54x = 29,007.22 × 11,929.38
  4. Step 4: Simplify right side
    19,333.54x = 346,038,150.12
  5. Step 5: Solve for x
    x = 346,038,150.12/19,333.54
  6. Step 6: Final answer
    x = 17,898.33

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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.