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Finding the Fourth Proportional to 35,511.39, 53,274.38 and 13,324.68

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Solution

The fourth proportional to 35,511.39, 53,274.38 and 13,324.68 is: 19,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,511.39 : 53,274.38 = 13,324.68 : x
  2. Step 2: Convert to fraction form
    35,511.39/53,274.38 = 13,324.68/x
  3. Step 3: Cross multiply
    35,511.39x = 53,274.38 × 13,324.68
  4. Step 4: Simplify right side
    35,511.39x = 709,863,999.08
  5. Step 5: Solve for x
    x = 709,863,999.08/35,511.39
  6. Step 6: Final answer
    x = 19,989.76

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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.