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Finding the Fourth Proportional to 8,548.88, 12,824.88 and 3,000.56

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Solution

The fourth proportional to 8,548.88, 12,824.88 and 3,000.56 is: 4,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.88 : 12,824.88 = 3,000.56 : x
  2. Step 2: Convert to fraction form
    8,548.88/12,824.88 = 3,000.56/x
  3. Step 3: Cross multiply
    8,548.88x = 12,824.88 × 3,000.56
  4. Step 4: Simplify right side
    8,548.88x = 38,481,821.93
  5. Step 5: Solve for x
    x = 38,481,821.93/8,548.88
  6. Step 6: Final answer
    x = 4,501.39

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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.