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Finding the Fourth Proportional to 61,182.92, 84,433.23 and 36,980.57

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Solution

The fourth proportional to 61,182.92, 84,433.23 and 36,980.57 is: 51,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,182.92 : 84,433.23 = 36,980.57 : x
  2. Step 2: Convert to fraction form
    61,182.92/84,433.23 = 36,980.57/x
  3. Step 3: Cross multiply
    61,182.92x = 84,433.23 × 36,980.57
  4. Step 4: Simplify right side
    61,182.92x = 3,122,388,550.17
  5. Step 5: Solve for x
    x = 3,122,388,550.17/61,182.92
  6. Step 6: Final answer
    x = 51,033.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.