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Finding the Fourth Proportional to 8,483.52, 12,723.61 and 2,860.64

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Solution

The fourth proportional to 8,483.52, 12,723.61 and 2,860.64 is: 4,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.52 : 12,723.61 = 2,860.64 : x
  2. Step 2: Convert to fraction form
    8,483.52/12,723.61 = 2,860.64/x
  3. Step 3: Cross multiply
    8,483.52x = 12,723.61 × 2,860.64
  4. Step 4: Simplify right side
    8,483.52x = 36,397,655.38
  5. Step 5: Solve for x
    x = 36,397,655.38/8,483.52
  6. Step 6: Final answer
    x = 4,290.39

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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.