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Finding the Fourth Proportional to 12,353.92, 17,049.84 and 7,049.50

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Solution

The fourth proportional to 12,353.92, 17,049.84 and 7,049.50 is: 9,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.92 : 17,049.84 = 7,049.50 : x
  2. Step 2: Convert to fraction form
    12,353.92/17,049.84 = 7,049.50/x
  3. Step 3: Cross multiply
    12,353.92x = 17,049.84 × 7,049.50
  4. Step 4: Simplify right side
    12,353.92x = 120,192,847.08
  5. Step 5: Solve for x
    x = 120,192,847.08/12,353.92
  6. Step 6: Final answer
    x = 9,729.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.