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Finding the Fourth Proportional to 21,740.68, 32,614.44 and 8,593.12

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Solution

The fourth proportional to 21,740.68, 32,614.44 and 8,593.12 is: 12,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740.68 : 32,614.44 = 8,593.12 : x
  2. Step 2: Convert to fraction form
    21,740.68/32,614.44 = 8,593.12/x
  3. Step 3: Cross multiply
    21,740.68x = 32,614.44 × 8,593.12
  4. Step 4: Simplify right side
    21,740.68x = 280,259,796.65
  5. Step 5: Solve for x
    x = 280,259,796.65/21,740.68
  6. Step 6: Final answer
    x = 12,891.03

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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.