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Finding the Fourth Proportional to 49,900.68, 68,874.50 and 32,907.99

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Solution

The fourth proportional to 49,900.68, 68,874.50 and 32,907.99 is: 45,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,900.68 : 68,874.50 = 32,907.99 : x
  2. Step 2: Convert to fraction form
    49,900.68/68,874.50 = 32,907.99/x
  3. Step 3: Cross multiply
    49,900.68x = 68,874.50 × 32,907.99
  4. Step 4: Simplify right side
    49,900.68x = 2,266,521,192.72
  5. Step 5: Solve for x
    x = 2,266,521,192.72/49,900.68
  6. Step 6: Final answer
    x = 45,420.65

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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.