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Finding the Fourth Proportional to 8,234.88, 12,353.13 and 3,039.54

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Solution

The fourth proportional to 8,234.88, 12,353.13 and 3,039.54 is: 4,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.88 : 12,353.13 = 3,039.54 : x
  2. Step 2: Convert to fraction form
    8,234.88/12,353.13 = 3,039.54/x
  3. Step 3: Cross multiply
    8,234.88x = 12,353.13 × 3,039.54
  4. Step 4: Simplify right side
    8,234.88x = 37,547,832.76
  5. Step 5: Solve for x
    x = 37,547,832.76/8,234.88
  6. Step 6: Final answer
    x = 4,559.61

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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.