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Finding the Fourth Proportional to 8,656.26, 12,984.42 and 2,500.26

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Solution

The fourth proportional to 8,656.26, 12,984.42 and 2,500.26 is: 3,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.26 : 12,984.42 = 2,500.26 : x
  2. Step 2: Convert to fraction form
    8,656.26/12,984.42 = 2,500.26/x
  3. Step 3: Cross multiply
    8,656.26x = 12,984.42 × 2,500.26
  4. Step 4: Simplify right side
    8,656.26x = 32,464,425.95
  5. Step 5: Solve for x
    x = 32,464,425.95/8,656.26
  6. Step 6: Final answer
    x = 3,750.40

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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.