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Finding the Fourth Proportional to 35,494.55, 53,221.86 and 11,789.41

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Solution

The fourth proportional to 35,494.55, 53,221.86 and 11,789.41 is: 17,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,494.55 : 53,221.86 = 11,789.41 : x
  2. Step 2: Convert to fraction form
    35,494.55/53,221.86 = 11,789.41/x
  3. Step 3: Cross multiply
    35,494.55x = 53,221.86 × 11,789.41
  4. Step 4: Simplify right side
    35,494.55x = 627,454,370.08
  5. Step 5: Solve for x
    x = 627,454,370.08/35,494.55
  6. Step 6: Final answer
    x = 17,677.48

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Why These Related Problems?

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