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Finding the Fourth Proportional to 49,395.86, 68,165.76 and 26,734.40

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Solution

The fourth proportional to 49,395.86, 68,165.76 and 26,734.40 is: 36,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,395.86 : 68,165.76 = 26,734.40 : x
  2. Step 2: Convert to fraction form
    49,395.86/68,165.76 = 26,734.40/x
  3. Step 3: Cross multiply
    49,395.86x = 68,165.76 × 26,734.40
  4. Step 4: Simplify right side
    49,395.86x = 1,822,370,694.14
  5. Step 5: Solve for x
    x = 1,822,370,694.14/49,395.86
  6. Step 6: Final answer
    x = 36,893.19

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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.