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Finding the Fourth Proportional to 22,689.11, 34,034.11 and 8,262.88

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Solution

The fourth proportional to 22,689.11, 34,034.11 and 8,262.88 is: 12,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.11 : 34,034.11 = 8,262.88 : x
  2. Step 2: Convert to fraction form
    22,689.11/34,034.11 = 8,262.88/x
  3. Step 3: Cross multiply
    22,689.11x = 34,034.11 × 8,262.88
  4. Step 4: Simplify right side
    22,689.11x = 281,219,661.09
  5. Step 5: Solve for x
    x = 281,219,661.09/22,689.11
  6. Step 6: Final answer
    x = 12,394.48

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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.