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Finding the Fourth Proportional to 8,704.68, 13,052.70 and 5,005.95

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Solution

The fourth proportional to 8,704.68, 13,052.70 and 5,005.95 is: 7,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.68 : 13,052.70 = 5,005.95 : x
  2. Step 2: Convert to fraction form
    8,704.68/13,052.70 = 5,005.95/x
  3. Step 3: Cross multiply
    8,704.68x = 13,052.70 × 5,005.95
  4. Step 4: Simplify right side
    8,704.68x = 65,341,163.57
  5. Step 5: Solve for x
    x = 65,341,163.57/8,704.68
  6. Step 6: Final answer
    x = 7,506.44

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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.