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Finding the Fourth Proportional to 17,950.77, 26,927.18 and 5,471.20

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Solution

The fourth proportional to 17,950.77, 26,927.18 and 5,471.20 is: 8,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,950.77 : 26,927.18 = 5,471.20 : x
  2. Step 2: Convert to fraction form
    17,950.77/26,927.18 = 5,471.20/x
  3. Step 3: Cross multiply
    17,950.77x = 26,927.18 × 5,471.20
  4. Step 4: Simplify right side
    17,950.77x = 147,323,987.22
  5. Step 5: Solve for x
    x = 147,323,987.22/17,950.77
  6. Step 6: Final answer
    x = 8,207.11

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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.