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Finding the Fourth Proportional to 62,315.92, 85,930.50 and 41,068

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Solution

The fourth proportional to 62,315.92, 85,930.50 and 41,068 is: 56,630.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,315.92 : 85,930.50 = 41,068 : x
  2. Step 2: Convert to fraction form
    62,315.92/85,930.50 = 41,068/x
  3. Step 3: Cross multiply
    62,315.92x = 85,930.50 × 41,068
  4. Step 4: Simplify right side
    62,315.92x = 3,528,993,774
  5. Step 5: Solve for x
    x = 3,528,993,774/62,315.92
  6. Step 6: Final answer
    x = 56,630.69

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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.