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Finding the Fourth Proportional to 8,899.64, 13,348.38 and 3,704.84

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Solution

The fourth proportional to 8,899.64, 13,348.38 and 3,704.84 is: 5,556.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.64 : 13,348.38 = 3,704.84 : x
  2. Step 2: Convert to fraction form
    8,899.64/13,348.38 = 3,704.84/x
  3. Step 3: Cross multiply
    8,899.64x = 13,348.38 × 3,704.84
  4. Step 4: Simplify right side
    8,899.64x = 49,453,612.16
  5. Step 5: Solve for x
    x = 49,453,612.16/8,899.64
  6. Step 6: Final answer
    x = 5,556.81

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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.