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Finding the Fourth Proportional to 26,431.61, 36,479.10 and 17,027.51

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Solution

The fourth proportional to 26,431.61, 36,479.10 and 17,027.51 is: 23,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.61 : 36,479.10 = 17,027.51 : x
  2. Step 2: Convert to fraction form
    26,431.61/36,479.10 = 17,027.51/x
  3. Step 3: Cross multiply
    26,431.61x = 36,479.10 × 17,027.51
  4. Step 4: Simplify right side
    26,431.61x = 621,148,057.65
  5. Step 5: Solve for x
    x = 621,148,057.65/26,431.61
  6. Step 6: Final answer
    x = 23,500.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.