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Finding the Fourth Proportional to 29,114, 40,183.80 and 18,501.56

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Solution

The fourth proportional to 29,114, 40,183.80 and 18,501.56 is: 25,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,114 : 40,183.80 = 18,501.56 : x
  2. Step 2: Convert to fraction form
    29,114/40,183.80 = 18,501.56/x
  3. Step 3: Cross multiply
    29,114x = 40,183.80 × 18,501.56
  4. Step 4: Simplify right side
    29,114x = 743,462,986.73
  5. Step 5: Solve for x
    x = 743,462,986.73/29,114
  6. Step 6: Final answer
    x = 25,536.27

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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.