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Finding the Fourth Proportional to 22,050.90, 30,429.54 and 12,619.26

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Solution

The fourth proportional to 22,050.90, 30,429.54 and 12,619.26 is: 17,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.90 : 30,429.54 = 12,619.26 : x
  2. Step 2: Convert to fraction form
    22,050.90/30,429.54 = 12,619.26/x
  3. Step 3: Cross multiply
    22,050.90x = 30,429.54 × 12,619.26
  4. Step 4: Simplify right side
    22,050.90x = 383,998,276.94
  5. Step 5: Solve for x
    x = 383,998,276.94/22,050.90
  6. Step 6: Final answer
    x = 17,414.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.