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Finding the Fourth Proportional to 73,816.96, 110,724.84 and 21,226.24

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Solution

The fourth proportional to 73,816.96, 110,724.84 and 21,226.24 is: 31,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,816.96 : 110,724.84 = 21,226.24 : x
  2. Step 2: Convert to fraction form
    73,816.96/110,724.84 = 21,226.24/x
  3. Step 3: Cross multiply
    73,816.96x = 110,724.84 × 21,226.24
  4. Step 4: Simplify right side
    73,816.96x = 2,350,272,027.80
  5. Step 5: Solve for x
    x = 2,350,272,027.80/73,816.96
  6. Step 6: Final answer
    x = 31,839.19

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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.