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Finding the Fourth Proportional to 8,383.64, 12,574.73 and 2,836.86

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Solution

The fourth proportional to 8,383.64, 12,574.73 and 2,836.86 is: 4,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.64 : 12,574.73 = 2,836.86 : x
  2. Step 2: Convert to fraction form
    8,383.64/12,574.73 = 2,836.86/x
  3. Step 3: Cross multiply
    8,383.64x = 12,574.73 × 2,836.86
  4. Step 4: Simplify right side
    8,383.64x = 35,672,734.36
  5. Step 5: Solve for x
    x = 35,672,734.36/8,383.64
  6. Step 6: Final answer
    x = 4,255.04

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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.