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Finding the Fourth Proportional to 54,992.53, 82,488.76 and 19,932.13

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Solution

The fourth proportional to 54,992.53, 82,488.76 and 19,932.13 is: 29,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,992.53 : 82,488.76 = 19,932.13 : x
  2. Step 2: Convert to fraction form
    54,992.53/82,488.76 = 19,932.13/x
  3. Step 3: Cross multiply
    54,992.53x = 82,488.76 × 19,932.13
  4. Step 4: Simplify right side
    54,992.53x = 1,644,176,687.86
  5. Step 5: Solve for x
    x = 1,644,176,687.86/54,992.53
  6. Step 6: Final answer
    x = 29,898.18

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1.5x scale

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.