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Finding the Fourth Proportional to 11,708.65, 17,550.68 and 7,266.31

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Solution

The fourth proportional to 11,708.65, 17,550.68 and 7,266.31 is: 10,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.65 : 17,550.68 = 7,266.31 : x
  2. Step 2: Convert to fraction form
    11,708.65/17,550.68 = 7,266.31/x
  3. Step 3: Cross multiply
    11,708.65x = 17,550.68 × 7,266.31
  4. Step 4: Simplify right side
    11,708.65x = 127,528,601.38
  5. Step 5: Solve for x
    x = 127,528,601.38/11,708.65
  6. Step 6: Final answer
    x = 10,891.83

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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.