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Finding the Fourth Proportional to 8,808.35, 13,265.24 and 8,021.03

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Solution

The fourth proportional to 8,808.35, 13,265.24 and 8,021.03 is: 12,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.35 : 13,265.24 = 8,021.03 : x
  2. Step 2: Convert to fraction form
    8,808.35/13,265.24 = 8,021.03/x
  3. Step 3: Cross multiply
    8,808.35x = 13,265.24 × 8,021.03
  4. Step 4: Simplify right side
    8,808.35x = 106,400,781.57
  5. Step 5: Solve for x
    x = 106,400,781.57/8,808.35
  6. Step 6: Final answer
    x = 12,079.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.