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Finding the Fourth Proportional to 41,394.94, 56,980.77 and 36,080.50

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Solution

The fourth proportional to 41,394.94, 56,980.77 and 36,080.50 is: 49,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,394.94 : 56,980.77 = 36,080.50 : x
  2. Step 2: Convert to fraction form
    41,394.94/56,980.77 = 36,080.50/x
  3. Step 3: Cross multiply
    41,394.94x = 56,980.77 × 36,080.50
  4. Step 4: Simplify right side
    41,394.94x = 2,055,894,671.99
  5. Step 5: Solve for x
    x = 2,055,894,671.99/41,394.94
  6. Step 6: Final answer
    x = 49,665.36

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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.