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Finding the Fourth Proportional to 17,993.51, 26,998.06 and 9,663.81

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Solution

The fourth proportional to 17,993.51, 26,998.06 and 9,663.81 is: 14,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.51 : 26,998.06 = 9,663.81 : x
  2. Step 2: Convert to fraction form
    17,993.51/26,998.06 = 9,663.81/x
  3. Step 3: Cross multiply
    17,993.51x = 26,998.06 × 9,663.81
  4. Step 4: Simplify right side
    17,993.51x = 260,904,122.21
  5. Step 5: Solve for x
    x = 260,904,122.21/17,993.51
  6. Step 6: Final answer
    x = 14,499.90

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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.