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Finding the Fourth Proportional to 8,482.76, 12,727.92 and 3,289.04

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Solution

The fourth proportional to 8,482.76, 12,727.92 and 3,289.04 is: 4,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.76 : 12,727.92 = 3,289.04 : x
  2. Step 2: Convert to fraction form
    8,482.76/12,727.92 = 3,289.04/x
  3. Step 3: Cross multiply
    8,482.76x = 12,727.92 × 3,289.04
  4. Step 4: Simplify right side
    8,482.76x = 41,862,638.00
  5. Step 5: Solve for x
    x = 41,862,638.00/8,482.76
  6. Step 6: Final answer
    x = 4,935.03

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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.