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Finding the Fourth Proportional to 8,450.32, 12,671.86 and 2,904.22

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Solution

The fourth proportional to 8,450.32, 12,671.86 and 2,904.22 is: 4,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.32 : 12,671.86 = 2,904.22 : x
  2. Step 2: Convert to fraction form
    8,450.32/12,671.86 = 2,904.22/x
  3. Step 3: Cross multiply
    8,450.32x = 12,671.86 × 2,904.22
  4. Step 4: Simplify right side
    8,450.32x = 36,801,869.25
  5. Step 5: Solve for x
    x = 36,801,869.25/8,450.32
  6. Step 6: Final answer
    x = 4,355.09

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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.