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Finding the Fourth Proportional to 8,884.34, 13,325.29 and 2,645.31

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Solution

The fourth proportional to 8,884.34, 13,325.29 and 2,645.31 is: 3,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.34 : 13,325.29 = 2,645.31 : x
  2. Step 2: Convert to fraction form
    8,884.34/13,325.29 = 2,645.31/x
  3. Step 3: Cross multiply
    8,884.34x = 13,325.29 × 2,645.31
  4. Step 4: Simplify right side
    8,884.34x = 35,249,516.28
  5. Step 5: Solve for x
    x = 35,249,516.28/8,884.34
  6. Step 6: Final answer
    x = 3,967.60

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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.