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Finding the Fourth Proportional to 61,906.16, 92,804.15 and 26,826.68

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Solution

The fourth proportional to 61,906.16, 92,804.15 and 26,826.68 is: 40,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,906.16 : 92,804.15 = 26,826.68 : x
  2. Step 2: Convert to fraction form
    61,906.16/92,804.15 = 26,826.68/x
  3. Step 3: Cross multiply
    61,906.16x = 92,804.15 × 26,826.68
  4. Step 4: Simplify right side
    61,906.16x = 2,489,626,636.57
  5. Step 5: Solve for x
    x = 2,489,626,636.57/61,906.16
  6. Step 6: Final answer
    x = 40,216.14

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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.