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Finding the Fourth Proportional to 17,042.29, 23,510.11 and 10,990.93

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Solution

The fourth proportional to 17,042.29, 23,510.11 and 10,990.93 is: 15,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,042.29 : 23,510.11 = 10,990.93 : x
  2. Step 2: Convert to fraction form
    17,042.29/23,510.11 = 10,990.93/x
  3. Step 3: Cross multiply
    17,042.29x = 23,510.11 × 10,990.93
  4. Step 4: Simplify right side
    17,042.29x = 258,397,973.30
  5. Step 5: Solve for x
    x = 258,397,973.30/17,042.29
  6. Step 6: Final answer
    x = 15,162.16

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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.