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Finding the Fourth Proportional to 13,049.49, 19,598.94 and 8,153.49

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Solution

The fourth proportional to 13,049.49, 19,598.94 and 8,153.49 is: 12,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.49 : 19,598.94 = 8,153.49 : x
  2. Step 2: Convert to fraction form
    13,049.49/19,598.94 = 8,153.49/x
  3. Step 3: Cross multiply
    13,049.49x = 19,598.94 × 8,153.49
  4. Step 4: Simplify right side
    13,049.49x = 159,799,761.30
  5. Step 5: Solve for x
    x = 159,799,761.30/13,049.49
  6. Step 6: Final answer
    x = 12,245.67

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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.