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Finding the Fourth Proportional to 17,992.51, 26,996.56 and 9,662.81

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Solution

The fourth proportional to 17,992.51, 26,996.56 and 9,662.81 is: 14,498.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.51 : 26,996.56 = 9,662.81 : x
  2. Step 2: Convert to fraction form
    17,992.51/26,996.56 = 9,662.81/x
  3. Step 3: Cross multiply
    17,992.51x = 26,996.56 × 9,662.81
  4. Step 4: Simplify right side
    17,992.51x = 260,862,470.79
  5. Step 5: Solve for x
    x = 260,862,470.79/17,992.51
  6. Step 6: Final answer
    x = 14,498.39

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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.