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Finding the Fourth Proportional to 9,203.22, 13,813.13 and 8,612.73

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Solution

The fourth proportional to 9,203.22, 13,813.13 and 8,612.73 is: 12,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.22 : 13,813.13 = 8,612.73 : x
  2. Step 2: Convert to fraction form
    9,203.22/13,813.13 = 8,612.73/x
  3. Step 3: Cross multiply
    9,203.22x = 13,813.13 × 8,612.73
  4. Step 4: Simplify right side
    9,203.22x = 118,968,780.68
  5. Step 5: Solve for x
    x = 118,968,780.68/9,203.22
  6. Step 6: Final answer
    x = 12,926.86

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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.