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Finding the Fourth Proportional to 17,607.97, 26,405.68 and 8,246.40

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Solution

The fourth proportional to 17,607.97, 26,405.68 and 8,246.40 is: 12,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607.97 : 26,405.68 = 8,246.40 : x
  2. Step 2: Convert to fraction form
    17,607.97/26,405.68 = 8,246.40/x
  3. Step 3: Cross multiply
    17,607.97x = 26,405.68 × 8,246.40
  4. Step 4: Simplify right side
    17,607.97x = 217,751,799.55
  5. Step 5: Solve for x
    x = 217,751,799.55/17,607.97
  6. Step 6: Final answer
    x = 12,366.66

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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.