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Finding the Fourth Proportional to 8,549.04, 12,816.20 and 3,353.68

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Solution

The fourth proportional to 8,549.04, 12,816.20 and 3,353.68 is: 5,027.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.04 : 12,816.20 = 3,353.68 : x
  2. Step 2: Convert to fraction form
    8,549.04/12,816.20 = 3,353.68/x
  3. Step 3: Cross multiply
    8,549.04x = 12,816.20 × 3,353.68
  4. Step 4: Simplify right side
    8,549.04x = 42,981,433.62
  5. Step 5: Solve for x
    x = 42,981,433.62/8,549.04
  6. Step 6: Final answer
    x = 5,027.63

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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.