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Finding the Fourth Proportional to 54,992.41, 82,488.58 and 19,932.01

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Solution

The fourth proportional to 54,992.41, 82,488.58 and 19,932.01 is: 29,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,992.41 : 82,488.58 = 19,932.01 : x
  2. Step 2: Convert to fraction form
    54,992.41/82,488.58 = 19,932.01/x
  3. Step 3: Cross multiply
    54,992.41x = 82,488.58 × 19,932.01
  4. Step 4: Simplify right side
    54,992.41x = 1,644,162,689.34
  5. Step 5: Solve for x
    x = 1,644,162,689.34/54,992.41
  6. Step 6: Final answer
    x = 29,898.00

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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.