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Finding the Fourth Proportional to 8,573.44, 12,855.04 and 4,472.32

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Solution

The fourth proportional to 8,573.44, 12,855.04 and 4,472.32 is: 6,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.44 : 12,855.04 = 4,472.32 : x
  2. Step 2: Convert to fraction form
    8,573.44/12,855.04 = 4,472.32/x
  3. Step 3: Cross multiply
    8,573.44x = 12,855.04 × 4,472.32
  4. Step 4: Simplify right side
    8,573.44x = 57,491,852.49
  5. Step 5: Solve for x
    x = 57,491,852.49/8,573.44
  6. Step 6: Final answer
    x = 6,705.81

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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.