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Finding the Fourth Proportional to 19,066.68, 28,604.88 and 8,676

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Solution

The fourth proportional to 19,066.68, 28,604.88 and 8,676 is: 13,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.68 : 28,604.88 = 8,676 : x
  2. Step 2: Convert to fraction form
    19,066.68/28,604.88 = 8,676/x
  3. Step 3: Cross multiply
    19,066.68x = 28,604.88 × 8,676
  4. Step 4: Simplify right side
    19,066.68x = 248,175,938.88
  5. Step 5: Solve for x
    x = 248,175,938.88/19,066.68
  6. Step 6: Final answer
    x = 13,016.21

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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.