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Finding the Fourth Proportional to 12,193.56, 18,289.00 and 8,270.02

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Solution

The fourth proportional to 12,193.56, 18,289.00 and 8,270.02 is: 12,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.56 : 18,289.00 = 8,270.02 : x
  2. Step 2: Convert to fraction form
    12,193.56/18,289.00 = 8,270.02/x
  3. Step 3: Cross multiply
    12,193.56x = 18,289.00 × 8,270.02
  4. Step 4: Simplify right side
    12,193.56x = 151,250,428.98
  5. Step 5: Solve for x
    x = 151,250,428.98/12,193.56
  6. Step 6: Final answer
    x = 12,404.12

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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.