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Finding the Fourth Proportional to 15,593.78, 23,399.90 and 5,739.98

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Solution

The fourth proportional to 15,593.78, 23,399.90 and 5,739.98 is: 8,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.78 : 23,399.90 = 5,739.98 : x
  2. Step 2: Convert to fraction form
    15,593.78/23,399.90 = 5,739.98/x
  3. Step 3: Cross multiply
    15,593.78x = 23,399.90 × 5,739.98
  4. Step 4: Simplify right side
    15,593.78x = 134,314,929.30
  5. Step 5: Solve for x
    x = 134,314,929.30/15,593.78
  6. Step 6: Final answer
    x = 8,613.37

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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.