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Finding the Fourth Proportional to 49,518.80, 74,157.02 and 44,721.04

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Solution

The fourth proportional to 49,518.80, 74,157.02 and 44,721.04 is: 66,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,518.80 : 74,157.02 = 44,721.04 : x
  2. Step 2: Convert to fraction form
    49,518.80/74,157.02 = 44,721.04/x
  3. Step 3: Cross multiply
    49,518.80x = 74,157.02 × 44,721.04
  4. Step 4: Simplify right side
    49,518.80x = 3,316,379,057.70
  5. Step 5: Solve for x
    x = 3,316,379,057.70/49,518.80
  6. Step 6: Final answer
    x = 66,972.12

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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.