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Finding the Fourth Proportional to 8,604.06, 12,902.82 and 3,056.40

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Solution

The fourth proportional to 8,604.06, 12,902.82 and 3,056.40 is: 4,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.06 : 12,902.82 = 3,056.40 : x
  2. Step 2: Convert to fraction form
    8,604.06/12,902.82 = 3,056.40/x
  3. Step 3: Cross multiply
    8,604.06x = 12,902.82 × 3,056.40
  4. Step 4: Simplify right side
    8,604.06x = 39,436,179.05
  5. Step 5: Solve for x
    x = 39,436,179.05/8,604.06
  6. Step 6: Final answer
    x = 4,583.44

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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.