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Finding the Fourth Proportional to 54,538.83, 81,799.13 and 15,099.93

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Solution

The fourth proportional to 54,538.83, 81,799.13 and 15,099.93 is: 22,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,538.83 : 81,799.13 = 15,099.93 : x
  2. Step 2: Convert to fraction form
    54,538.83/81,799.13 = 15,099.93/x
  3. Step 3: Cross multiply
    54,538.83x = 81,799.13 × 15,099.93
  4. Step 4: Simplify right side
    54,538.83x = 1,235,161,174.81
  5. Step 5: Solve for x
    x = 1,235,161,174.81/54,538.83
  6. Step 6: Final answer
    x = 22,647.37

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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.