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Finding the Fourth Proportional to 48,474.60, 72,711.96 and 41,880.84

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Solution

The fourth proportional to 48,474.60, 72,711.96 and 41,880.84 is: 62,821.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,474.60 : 72,711.96 = 41,880.84 : x
  2. Step 2: Convert to fraction form
    48,474.60/72,711.96 = 41,880.84/x
  3. Step 3: Cross multiply
    48,474.60x = 72,711.96 × 41,880.84
  4. Step 4: Simplify right side
    48,474.60x = 3,045,237,962.85
  5. Step 5: Solve for x
    x = 3,045,237,962.85/48,474.60
  6. Step 6: Final answer
    x = 62,821.31

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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.