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Finding the Fourth Proportional to 8,893.56, 13,353.30 and 6,310.20

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Solution

The fourth proportional to 8,893.56, 13,353.30 and 6,310.20 is: 9,474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.56 : 13,353.30 = 6,310.20 : x
  2. Step 2: Convert to fraction form
    8,893.56/13,353.30 = 6,310.20/x
  3. Step 3: Cross multiply
    8,893.56x = 13,353.30 × 6,310.20
  4. Step 4: Simplify right side
    8,893.56x = 84,261,993.66
  5. Step 5: Solve for x
    x = 84,261,993.66/8,893.56
  6. Step 6: Final answer
    x = 9,474.50

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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.