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Finding the Fourth Proportional to 22,435.52, 30,959.21 and 13,004.69

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Solution

The fourth proportional to 22,435.52, 30,959.21 and 13,004.69 is: 17,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,435.52 : 30,959.21 = 13,004.69 : x
  2. Step 2: Convert to fraction form
    22,435.52/30,959.21 = 13,004.69/x
  3. Step 3: Cross multiply
    22,435.52x = 30,959.21 × 13,004.69
  4. Step 4: Simplify right side
    22,435.52x = 402,614,806.41
  5. Step 5: Solve for x
    x = 402,614,806.41/22,435.52
  6. Step 6: Final answer
    x = 17,945.42

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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.