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Finding the Fourth Proportional to 8,523.43, 12,788.28 and 3,592.55

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Solution

The fourth proportional to 8,523.43, 12,788.28 and 3,592.55 is: 5,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.43 : 12,788.28 = 3,592.55 : x
  2. Step 2: Convert to fraction form
    8,523.43/12,788.28 = 3,592.55/x
  3. Step 3: Cross multiply
    8,523.43x = 12,788.28 × 3,592.55
  4. Step 4: Simplify right side
    8,523.43x = 45,942,567.28
  5. Step 5: Solve for x
    x = 45,942,567.28/8,523.43
  6. Step 6: Final answer
    x = 5,390.15

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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.