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Finding the Fourth Proportional to 8,873.00, 13,286.76 and 8,610.21

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Solution

The fourth proportional to 8,873.00, 13,286.76 and 8,610.21 is: 12,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.00 : 13,286.76 = 8,610.21 : x
  2. Step 2: Convert to fraction form
    8,873.00/13,286.76 = 8,610.21/x
  3. Step 3: Cross multiply
    8,873.00x = 13,286.76 × 8,610.21
  4. Step 4: Simplify right side
    8,873.00x = 114,401,793.82
  5. Step 5: Solve for x
    x = 114,401,793.82/8,873.00
  6. Step 6: Final answer
    x = 12,893.26

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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.