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Finding the Fourth Proportional to 18,159.96, 27,241.50 and 5,012.33

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Solution

The fourth proportional to 18,159.96, 27,241.50 and 5,012.33 is: 7,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.96 : 27,241.50 = 5,012.33 : x
  2. Step 2: Convert to fraction form
    18,159.96/27,241.50 = 5,012.33/x
  3. Step 3: Cross multiply
    18,159.96x = 27,241.50 × 5,012.33
  4. Step 4: Simplify right side
    18,159.96x = 136,543,455.80
  5. Step 5: Solve for x
    x = 136,543,455.80/18,159.96
  6. Step 6: Final answer
    x = 7,518.93

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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.