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Finding the Fourth Proportional to 8,816.35, 13,277.31 and 8,029.03

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Solution

The fourth proportional to 8,816.35, 13,277.31 and 8,029.03 is: 12,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.35 : 13,277.31 = 8,029.03 : x
  2. Step 2: Convert to fraction form
    8,816.35/13,277.31 = 8,029.03/x
  3. Step 3: Cross multiply
    8,816.35x = 13,277.31 × 8,029.03
  4. Step 4: Simplify right side
    8,816.35x = 106,603,920.31
  5. Step 5: Solve for x
    x = 106,603,920.31/8,816.35
  6. Step 6: Final answer
    x = 12,091.62

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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.