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Finding the Fourth Proportional to 8,808.55, 13,209.65 and 2,567.31

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Solution

The fourth proportional to 8,808.55, 13,209.65 and 2,567.31 is: 3,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.55 : 13,209.65 = 2,567.31 : x
  2. Step 2: Convert to fraction form
    8,808.55/13,209.65 = 2,567.31/x
  3. Step 3: Cross multiply
    8,808.55x = 13,209.65 × 2,567.31
  4. Step 4: Simplify right side
    8,808.55x = 33,913,288.10
  5. Step 5: Solve for x
    x = 33,913,288.10/8,808.55
  6. Step 6: Final answer
    x = 3,850.04

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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.