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Finding the Fourth Proportional to 8,498.68, 12,744.74 and 3,230.92

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Solution

The fourth proportional to 8,498.68, 12,744.74 and 3,230.92 is: 4,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.68 : 12,744.74 = 3,230.92 : x
  2. Step 2: Convert to fraction form
    8,498.68/12,744.74 = 3,230.92/x
  3. Step 3: Cross multiply
    8,498.68x = 12,744.74 × 3,230.92
  4. Step 4: Simplify right side
    8,498.68x = 41,177,259.37
  5. Step 5: Solve for x
    x = 41,177,259.37/8,498.68
  6. Step 6: Final answer
    x = 4,845.14

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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.