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Finding the Fourth Proportional to 8,806.76, 13,215.30 and 3,263.96

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Solution

The fourth proportional to 8,806.76, 13,215.30 and 3,263.96 is: 4,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.76 : 13,215.30 = 3,263.96 : x
  2. Step 2: Convert to fraction form
    8,806.76/13,215.30 = 3,263.96/x
  3. Step 3: Cross multiply
    8,806.76x = 13,215.30 × 3,263.96
  4. Step 4: Simplify right side
    8,806.76x = 43,134,210.59
  5. Step 5: Solve for x
    x = 43,134,210.59/8,806.76
  6. Step 6: Final answer
    x = 4,897.85

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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.