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Finding the Fourth Proportional to 8,799.64, 13,201.43 and 2,956.09

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Solution

The fourth proportional to 8,799.64, 13,201.43 and 2,956.09 is: 4,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.64 : 13,201.43 = 2,956.09 : x
  2. Step 2: Convert to fraction form
    8,799.64/13,201.43 = 2,956.09/x
  3. Step 3: Cross multiply
    8,799.64x = 13,201.43 × 2,956.09
  4. Step 4: Simplify right side
    8,799.64x = 39,024,615.21
  5. Step 5: Solve for x
    x = 39,024,615.21/8,799.64
  6. Step 6: Final answer
    x = 4,434.80

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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.