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Finding the Fourth Proportional to 17,759.39, 26,639.10 and 6,072.71

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Solution

The fourth proportional to 17,759.39, 26,639.10 and 6,072.71 is: 9,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759.39 : 26,639.10 = 6,072.71 : x
  2. Step 2: Convert to fraction form
    17,759.39/26,639.10 = 6,072.71/x
  3. Step 3: Cross multiply
    17,759.39x = 26,639.10 × 6,072.71
  4. Step 4: Simplify right side
    17,759.39x = 161,771,528.96
  5. Step 5: Solve for x
    x = 161,771,528.96/17,759.39
  6. Step 6: Final answer
    x = 9,109.07

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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.