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Finding the Fourth Proportional to 54,900.36, 82,370.16 and 21,601.98

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Solution

The fourth proportional to 54,900.36, 82,370.16 and 21,601.98 is: 32,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,900.36 : 82,370.16 = 21,601.98 : x
  2. Step 2: Convert to fraction form
    54,900.36/82,370.16 = 21,601.98/x
  3. Step 3: Cross multiply
    54,900.36x = 82,370.16 × 21,601.98
  4. Step 4: Simplify right side
    54,900.36x = 1,779,358,548.92
  5. Step 5: Solve for x
    x = 1,779,358,548.92/54,900.36
  6. Step 6: Final answer
    x = 32,410.69

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