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Finding the Fourth Proportional to 12,602.75, 18,882.18 and 8,846.55

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Solution

The fourth proportional to 12,602.75, 18,882.18 and 8,846.55 is: 13,254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.75 : 18,882.18 = 8,846.55 : x
  2. Step 2: Convert to fraction form
    12,602.75/18,882.18 = 8,846.55/x
  3. Step 3: Cross multiply
    12,602.75x = 18,882.18 × 8,846.55
  4. Step 4: Simplify right side
    12,602.75x = 167,042,149.48
  5. Step 5: Solve for x
    x = 167,042,149.48/12,602.75
  6. Step 6: Final answer
    x = 13,254.43

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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.