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Finding the Fourth Proportional to 62,217, 93,325.50 and 18,441

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Solution

The fourth proportional to 62,217, 93,325.50 and 18,441 is: 27,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,217 : 93,325.50 = 18,441 : x
  2. Step 2: Convert to fraction form
    62,217/93,325.50 = 18,441/x
  3. Step 3: Cross multiply
    62,217x = 93,325.50 × 18,441
  4. Step 4: Simplify right side
    62,217x = 1,721,015,545.50
  5. Step 5: Solve for x
    x = 1,721,015,545.50/62,217
  6. Step 6: Final answer
    x = 27,661.50

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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.