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Finding the Fourth Proportional to 17,606.11, 26,398.71 and 7,081.12

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Solution

The fourth proportional to 17,606.11, 26,398.71 and 7,081.12 is: 10,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,606.11 : 26,398.71 = 7,081.12 : x
  2. Step 2: Convert to fraction form
    17,606.11/26,398.71 = 7,081.12/x
  3. Step 3: Cross multiply
    17,606.11x = 26,398.71 × 7,081.12
  4. Step 4: Simplify right side
    17,606.11x = 186,932,433.36
  5. Step 5: Solve for x
    x = 186,932,433.36/17,606.11
  6. Step 6: Final answer
    x = 10,617.48

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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.