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Finding the Fourth Proportional to 62,584.84, 93,889.36 and 20,453.56

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Solution

The fourth proportional to 62,584.84, 93,889.36 and 20,453.56 is: 30,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,584.84 : 93,889.36 = 20,453.56 : x
  2. Step 2: Convert to fraction form
    62,584.84/93,889.36 = 20,453.56/x
  3. Step 3: Cross multiply
    62,584.84x = 93,889.36 × 20,453.56
  4. Step 4: Simplify right side
    62,584.84x = 1,920,371,658.12
  5. Step 5: Solve for x
    x = 1,920,371,658.12/62,584.84
  6. Step 6: Final answer
    x = 30,684.29

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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.