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Finding the Fourth Proportional to 48,999.80, 73,499.70 and 29,268.20

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Solution

The fourth proportional to 48,999.80, 73,499.70 and 29,268.20 is: 43,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,999.80 : 73,499.70 = 29,268.20 : x
  2. Step 2: Convert to fraction form
    48,999.80/73,499.70 = 29,268.20/x
  3. Step 3: Cross multiply
    48,999.80x = 73,499.70 × 29,268.20
  4. Step 4: Simplify right side
    48,999.80x = 2,151,203,919.54
  5. Step 5: Solve for x
    x = 2,151,203,919.54/48,999.80
  6. Step 6: Final answer
    x = 43,902.30

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1.5x scale

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.