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Finding the Fourth Proportional to 41,129.76, 61,668.72 and 34,891.96

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Solution

The fourth proportional to 41,129.76, 61,668.72 and 34,891.96 is: 52,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,129.76 : 61,668.72 = 34,891.96 : x
  2. Step 2: Convert to fraction form
    41,129.76/61,668.72 = 34,891.96/x
  3. Step 3: Cross multiply
    41,129.76x = 61,668.72 × 34,891.96
  4. Step 4: Simplify right side
    41,129.76x = 2,151,742,511.49
  5. Step 5: Solve for x
    x = 2,151,742,511.49/41,129.76
  6. Step 6: Final answer
    x = 52,315.95

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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.