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Finding the Fourth Proportional to 49,901.86, 74,891.90 and 34,810.82

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Solution

The fourth proportional to 49,901.86, 74,891.90 and 34,810.82 is: 52,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,901.86 : 74,891.90 = 34,810.82 : x
  2. Step 2: Convert to fraction form
    49,901.86/74,891.90 = 34,810.82/x
  3. Step 3: Cross multiply
    49,901.86x = 74,891.90 × 34,810.82
  4. Step 4: Simplify right side
    49,901.86x = 2,607,048,418.99
  5. Step 5: Solve for x
    x = 2,607,048,418.99/49,901.86
  6. Step 6: Final answer
    x = 52,243.51

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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.