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Finding the Fourth Proportional to 22,065.51, 30,450.42 and 12,634.14

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Solution

The fourth proportional to 22,065.51, 30,450.42 and 12,634.14 is: 17,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.51 : 30,450.42 = 12,634.14 : x
  2. Step 2: Convert to fraction form
    22,065.51/30,450.42 = 12,634.14/x
  3. Step 3: Cross multiply
    22,065.51x = 30,450.42 × 12,634.14
  4. Step 4: Simplify right side
    22,065.51x = 384,714,869.34
  5. Step 5: Solve for x
    x = 384,714,869.34/22,065.51
  6. Step 6: Final answer
    x = 17,435.12

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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.