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Finding the Fourth Proportional to 22,243.51, 30,695.12 and 13,295.94

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Solution

The fourth proportional to 22,243.51, 30,695.12 and 13,295.94 is: 18,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.51 : 30,695.12 = 13,295.94 : x
  2. Step 2: Convert to fraction form
    22,243.51/30,695.12 = 13,295.94/x
  3. Step 3: Cross multiply
    22,243.51x = 30,695.12 × 13,295.94
  4. Step 4: Simplify right side
    22,243.51x = 408,120,473.81
  5. Step 5: Solve for x
    x = 408,120,473.81/22,243.51
  6. Step 6: Final answer
    x = 18,347.85

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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.