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Finding the Fourth Proportional to 17,294.39, 25,928.25 and 7,927.65

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Solution

The fourth proportional to 17,294.39, 25,928.25 and 7,927.65 is: 11,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,294.39 : 25,928.25 = 7,927.65 : x
  2. Step 2: Convert to fraction form
    17,294.39/25,928.25 = 7,927.65/x
  3. Step 3: Cross multiply
    17,294.39x = 25,928.25 × 7,927.65
  4. Step 4: Simplify right side
    17,294.39x = 205,550,033.05
  5. Step 5: Solve for x
    x = 205,550,033.05/17,294.39
  6. Step 6: Final answer
    x = 11,885.36

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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.