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Finding the Fourth Proportional to 17,957.43, 26,929.67 and 7,569.99

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Solution

The fourth proportional to 17,957.43, 26,929.67 and 7,569.99 is: 11,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.43 : 26,929.67 = 7,569.99 : x
  2. Step 2: Convert to fraction form
    17,957.43/26,929.67 = 7,569.99/x
  3. Step 3: Cross multiply
    17,957.43x = 26,929.67 × 7,569.99
  4. Step 4: Simplify right side
    17,957.43x = 203,857,294.75
  5. Step 5: Solve for x
    x = 203,857,294.75/17,957.43
  6. Step 6: Final answer
    x = 11,352.25

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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.