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Finding the Fourth Proportional to 55,594.82, 83,405.51 and 18,154.97

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Solution

The fourth proportional to 55,594.82, 83,405.51 and 18,154.97 is: 27,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,594.82 : 83,405.51 = 18,154.97 : x
  2. Step 2: Convert to fraction form
    55,594.82/83,405.51 = 18,154.97/x
  3. Step 3: Cross multiply
    55,594.82x = 83,405.51 × 18,154.97
  4. Step 4: Simplify right side
    55,594.82x = 1,514,224,531.88
  5. Step 5: Solve for x
    x = 1,514,224,531.88/55,594.82
  6. Step 6: Final answer
    x = 27,236.79

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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.