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Finding the Fourth Proportional to 8,855.92, 13,276.62 and 4,173.64

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Solution

The fourth proportional to 8,855.92, 13,276.62 and 4,173.64 is: 6,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.92 : 13,276.62 = 4,173.64 : x
  2. Step 2: Convert to fraction form
    8,855.92/13,276.62 = 4,173.64/x
  3. Step 3: Cross multiply
    8,855.92x = 13,276.62 × 4,173.64
  4. Step 4: Simplify right side
    8,855.92x = 55,411,832.30
  5. Step 5: Solve for x
    x = 55,411,832.30/8,855.92
  6. Step 6: Final answer
    x = 6,257.04

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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.