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Finding the Fourth Proportional to 17,605.14, 26,416.28 and 7,743.12

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Solution

The fourth proportional to 17,605.14, 26,416.28 and 7,743.12 is: 11,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.14 : 26,416.28 = 7,743.12 : x
  2. Step 2: Convert to fraction form
    17,605.14/26,416.28 = 7,743.12/x
  3. Step 3: Cross multiply
    17,605.14x = 26,416.28 × 7,743.12
  4. Step 4: Simplify right side
    17,605.14x = 204,544,387.28
  5. Step 5: Solve for x
    x = 204,544,387.28/17,605.14
  6. Step 6: Final answer
    x = 11,618.45

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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.