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Finding the Fourth Proportional to 35,033.56, 48,347.89 and 19,725.38

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Solution

The fourth proportional to 35,033.56, 48,347.89 and 19,725.38 is: 27,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,033.56 : 48,347.89 = 19,725.38 : x
  2. Step 2: Convert to fraction form
    35,033.56/48,347.89 = 19,725.38/x
  3. Step 3: Cross multiply
    35,033.56x = 48,347.89 × 19,725.38
  4. Step 4: Simplify right side
    35,033.56x = 953,680,429.68
  5. Step 5: Solve for x
    x = 953,680,429.68/35,033.56
  6. Step 6: Final answer
    x = 27,221.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.