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Finding the Fourth Proportional to 8,544.82, 12,823.02 and 2,998.12

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Solution

The fourth proportional to 8,544.82, 12,823.02 and 2,998.12 is: 4,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.82 : 12,823.02 = 2,998.12 : x
  2. Step 2: Convert to fraction form
    8,544.82/12,823.02 = 2,998.12/x
  3. Step 3: Cross multiply
    8,544.82x = 12,823.02 × 2,998.12
  4. Step 4: Simplify right side
    8,544.82x = 38,444,952.72
  5. Step 5: Solve for x
    x = 38,444,952.72/8,544.82
  6. Step 6: Final answer
    x = 4,499.21

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Double scale
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Similar ratio
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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.