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Finding the Fourth Proportional to 54,472.14, 81,706.08 and 15,028.17

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Solution

The fourth proportional to 54,472.14, 81,706.08 and 15,028.17 is: 22,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,472.14 : 81,706.08 = 15,028.17 : x
  2. Step 2: Convert to fraction form
    54,472.14/81,706.08 = 15,028.17/x
  3. Step 3: Cross multiply
    54,472.14x = 81,706.08 × 15,028.17
  4. Step 4: Simplify right side
    54,472.14x = 1,227,892,860.27
  5. Step 5: Solve for x
    x = 1,227,892,860.27/54,472.14
  6. Step 6: Final answer
    x = 22,541.67

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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.