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Finding the Fourth Proportional to 17,957.34, 26,940.36 and 6,111

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Solution

The fourth proportional to 17,957.34, 26,940.36 and 6,111 is: 9,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.34 : 26,940.36 = 6,111 : x
  2. Step 2: Convert to fraction form
    17,957.34/26,940.36 = 6,111/x
  3. Step 3: Cross multiply
    17,957.34x = 26,940.36 × 6,111
  4. Step 4: Simplify right side
    17,957.34x = 164,632,539.96
  5. Step 5: Solve for x
    x = 164,632,539.96/17,957.34
  6. Step 6: Final answer
    x = 9,167.98

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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.