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Finding the Fourth Proportional to 8,567.90, 12,849.09 and 2,723.14

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Solution

The fourth proportional to 8,567.90, 12,849.09 and 2,723.14 is: 4,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.90 : 12,849.09 = 2,723.14 : x
  2. Step 2: Convert to fraction form
    8,567.90/12,849.09 = 2,723.14/x
  3. Step 3: Cross multiply
    8,567.90x = 12,849.09 × 2,723.14
  4. Step 4: Simplify right side
    8,567.90x = 34,989,838.82
  5. Step 5: Solve for x
    x = 34,989,838.82/8,567.90
  6. Step 6: Final answer
    x = 4,083.83

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1.5x scale

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.