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Finding the Fourth Proportional to 8,548.56, 12,808.26 and 6,905.88

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Solution

The fourth proportional to 8,548.56, 12,808.26 and 6,905.88 is: 10,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.56 : 12,808.26 = 6,905.88 : x
  2. Step 2: Convert to fraction form
    8,548.56/12,808.26 = 6,905.88/x
  3. Step 3: Cross multiply
    8,548.56x = 12,808.26 × 6,905.88
  4. Step 4: Simplify right side
    8,548.56x = 88,452,306.57
  5. Step 5: Solve for x
    x = 88,452,306.57/8,548.56
  6. Step 6: Final answer
    x = 10,347.04

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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.