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Finding the Fourth Proportional to 8,863.62, 13,295.43 and 2,289.84

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Solution

The fourth proportional to 8,863.62, 13,295.43 and 2,289.84 is: 3,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.62 : 13,295.43 = 2,289.84 : x
  2. Step 2: Convert to fraction form
    8,863.62/13,295.43 = 2,289.84/x
  3. Step 3: Cross multiply
    8,863.62x = 13,295.43 × 2,289.84
  4. Step 4: Simplify right side
    8,863.62x = 30,444,407.43
  5. Step 5: Solve for x
    x = 30,444,407.43/8,863.62
  6. Step 6: Final answer
    x = 3,434.76

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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.