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Finding the Fourth Proportional to 8,998.64, 13,497.44 and 3,451.76

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Solution

The fourth proportional to 8,998.64, 13,497.44 and 3,451.76 is: 5,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.64 : 13,497.44 = 3,451.76 : x
  2. Step 2: Convert to fraction form
    8,998.64/13,497.44 = 3,451.76/x
  3. Step 3: Cross multiply
    8,998.64x = 13,497.44 × 3,451.76
  4. Step 4: Simplify right side
    8,998.64x = 46,589,923.49
  5. Step 5: Solve for x
    x = 46,589,923.49/8,998.64
  6. Step 6: Final answer
    x = 5,177.44

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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.