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Finding the Fourth Proportional to 34,049.68, 51,063.53 and 12,408.06

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Solution

The fourth proportional to 34,049.68, 51,063.53 and 12,408.06 is: 18,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,049.68 : 51,063.53 = 12,408.06 : x
  2. Step 2: Convert to fraction form
    34,049.68/51,063.53 = 12,408.06/x
  3. Step 3: Cross multiply
    34,049.68x = 51,063.53 × 12,408.06
  4. Step 4: Simplify right side
    34,049.68x = 633,599,473.50
  5. Step 5: Solve for x
    x = 633,599,473.50/34,049.68
  6. Step 6: Final answer
    x = 18,608.09

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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.