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Finding the Fourth Proportional to 62,022.80, 93,020.20 and 17,648.57

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Solution

The fourth proportional to 62,022.80, 93,020.20 and 17,648.57 is: 26,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,022.80 : 93,020.20 = 17,648.57 : x
  2. Step 2: Convert to fraction form
    62,022.80/93,020.20 = 17,648.57/x
  3. Step 3: Cross multiply
    62,022.80x = 93,020.20 × 17,648.57
  4. Step 4: Simplify right side
    62,022.80x = 1,641,673,699.54
  5. Step 5: Solve for x
    x = 1,641,673,699.54/62,022.80
  6. Step 6: Final answer
    x = 26,468.87

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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.