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Finding the Fourth Proportional to 17,392.10, 26,079.41 and 8,508.11

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Solution

The fourth proportional to 17,392.10, 26,079.41 and 8,508.11 is: 12,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392.10 : 26,079.41 = 8,508.11 : x
  2. Step 2: Convert to fraction form
    17,392.10/26,079.41 = 8,508.11/x
  3. Step 3: Cross multiply
    17,392.10x = 26,079.41 × 8,508.11
  4. Step 4: Simplify right side
    17,392.10x = 221,886,316.08
  5. Step 5: Solve for x
    x = 221,886,316.08/17,392.10
  6. Step 6: Final answer
    x = 12,757.88

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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.