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Finding the Fourth Proportional to 8,808.69, 13,215.92 and 3,262.44

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Solution

The fourth proportional to 8,808.69, 13,215.92 and 3,262.44 is: 4,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.69 : 13,215.92 = 3,262.44 : x
  2. Step 2: Convert to fraction form
    8,808.69/13,215.92 = 3,262.44/x
  3. Step 3: Cross multiply
    8,808.69x = 13,215.92 × 3,262.44
  4. Step 4: Simplify right side
    8,808.69x = 43,116,146.04
  5. Step 5: Solve for x
    x = 43,116,146.04/8,808.69
  6. Step 6: Final answer
    x = 4,894.73

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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.