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Finding the Fourth Proportional to 12,969.33, 19,456.29 and 8,044.53

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Solution

The fourth proportional to 12,969.33, 19,456.29 and 8,044.53 is: 12,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969.33 : 19,456.29 = 8,044.53 : x
  2. Step 2: Convert to fraction form
    12,969.33/19,456.29 = 8,044.53/x
  3. Step 3: Cross multiply
    12,969.33x = 19,456.29 × 8,044.53
  4. Step 4: Simplify right side
    12,969.33x = 156,516,708.59
  5. Step 5: Solve for x
    x = 156,516,708.59/12,969.33
  6. Step 6: Final answer
    x = 12,068.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.