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Finding the Fourth Proportional to 8,528.49, 12,793.14 and 2,684.88

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Solution

The fourth proportional to 8,528.49, 12,793.14 and 2,684.88 is: 4,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.49 : 12,793.14 = 2,684.88 : x
  2. Step 2: Convert to fraction form
    8,528.49/12,793.14 = 2,684.88/x
  3. Step 3: Cross multiply
    8,528.49x = 12,793.14 × 2,684.88
  4. Step 4: Simplify right side
    8,528.49x = 34,348,045.72
  5. Step 5: Solve for x
    x = 34,348,045.72/8,528.49
  6. Step 6: Final answer
    x = 4,027.45

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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.