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Finding the Fourth Proportional to 57,593.01, 86,389.50 and 18,153.20

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Solution

The fourth proportional to 57,593.01, 86,389.50 and 18,153.20 is: 27,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,593.01 : 86,389.50 = 18,153.20 : x
  2. Step 2: Convert to fraction form
    57,593.01/86,389.50 = 18,153.20/x
  3. Step 3: Cross multiply
    57,593.01x = 86,389.50 × 18,153.20
  4. Step 4: Simplify right side
    57,593.01x = 1,568,246,155.45
  5. Step 5: Solve for x
    x = 1,568,246,155.45/57,593.01
  6. Step 6: Final answer
    x = 27,229.80

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Double scale
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Similar ratio
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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.