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Finding the Fourth Proportional to 62,605.31, 93,859.43 and 30,993.57

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Solution

The fourth proportional to 62,605.31, 93,859.43 and 30,993.57 is: 46,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,605.31 : 93,859.43 = 30,993.57 : x
  2. Step 2: Convert to fraction form
    62,605.31/93,859.43 = 30,993.57/x
  3. Step 3: Cross multiply
    62,605.31x = 93,859.43 × 30,993.57
  4. Step 4: Simplify right side
    62,605.31x = 2,909,038,658.90
  5. Step 5: Solve for x
    x = 2,909,038,658.90/62,605.31
  6. Step 6: Final answer
    x = 46,466.33

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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.