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Finding the Fourth Proportional to 8,047.30, 12,056.55 and 6,808.90

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Solution

The fourth proportional to 8,047.30, 12,056.55 and 6,808.90 is: 10,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.30 : 12,056.55 = 6,808.90 : x
  2. Step 2: Convert to fraction form
    8,047.30/12,056.55 = 6,808.90/x
  3. Step 3: Cross multiply
    8,047.30x = 12,056.55 × 6,808.90
  4. Step 4: Simplify right side
    8,047.30x = 82,091,843.30
  5. Step 5: Solve for x
    x = 82,091,843.30/8,047.30
  6. Step 6: Final answer
    x = 10,201.17

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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.