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Finding the Fourth Proportional to 12,601.03, 18,905.60 and 8,227.03

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Solution

The fourth proportional to 12,601.03, 18,905.60 and 8,227.03 is: 12,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.03 : 18,905.60 = 8,227.03 : x
  2. Step 2: Convert to fraction form
    12,601.03/18,905.60 = 8,227.03/x
  3. Step 3: Cross multiply
    12,601.03x = 18,905.60 × 8,227.03
  4. Step 4: Simplify right side
    12,601.03x = 155,536,897.23
  5. Step 5: Solve for x
    x = 155,536,897.23/12,601.03
  6. Step 6: Final answer
    x = 12,343.19

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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.