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Finding the Fourth Proportional to 8,537.47, 12,808.49 and 2,694.19

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Solution

The fourth proportional to 8,537.47, 12,808.49 and 2,694.19 is: 4,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.47 : 12,808.49 = 2,694.19 : x
  2. Step 2: Convert to fraction form
    8,537.47/12,808.49 = 2,694.19/x
  3. Step 3: Cross multiply
    8,537.47x = 12,808.49 × 2,694.19
  4. Step 4: Simplify right side
    8,537.47x = 34,508,492.20
  5. Step 5: Solve for x
    x = 34,508,492.20/8,537.47
  6. Step 6: Final answer
    x = 4,042.00

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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.