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Finding the Fourth Proportional to 54,658.64, 81,990.68 and 25,063.04

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Solution

The fourth proportional to 54,658.64, 81,990.68 and 25,063.04 is: 37,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658.64 : 81,990.68 = 25,063.04 : x
  2. Step 2: Convert to fraction form
    54,658.64/81,990.68 = 25,063.04/x
  3. Step 3: Cross multiply
    54,658.64x = 81,990.68 × 25,063.04
  4. Step 4: Simplify right side
    54,658.64x = 2,054,935,692.47
  5. Step 5: Solve for x
    x = 2,054,935,692.47/54,658.64
  6. Step 6: Final answer
    x = 37,595.81

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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.