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Finding the Fourth Proportional to 48,751.80, 73,135.43 and 18,764.99

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Solution

The fourth proportional to 48,751.80, 73,135.43 and 18,764.99 is: 28,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,751.80 : 73,135.43 = 18,764.99 : x
  2. Step 2: Convert to fraction form
    48,751.80/73,135.43 = 18,764.99/x
  3. Step 3: Cross multiply
    48,751.80x = 73,135.43 × 18,764.99
  4. Step 4: Simplify right side
    48,751.80x = 1,372,385,612.60
  5. Step 5: Solve for x
    x = 1,372,385,612.60/48,751.80
  6. Step 6: Final answer
    x = 28,150.46

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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.