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Finding the Fourth Proportional to 12,593.27, 18,889.92 and 5,999.47

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Solution

The fourth proportional to 12,593.27, 18,889.92 and 5,999.47 is: 8,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.27 : 18,889.92 = 5,999.47 : x
  2. Step 2: Convert to fraction form
    12,593.27/18,889.92 = 5,999.47/x
  3. Step 3: Cross multiply
    12,593.27x = 18,889.92 × 5,999.47
  4. Step 4: Simplify right side
    12,593.27x = 113,329,461.12
  5. Step 5: Solve for x
    x = 113,329,461.12/12,593.27
  6. Step 6: Final answer
    x = 8,999.21

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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.