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Finding the Fourth Proportional to 17,940.48, 26,920.64 and 7,552

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Solution

The fourth proportional to 17,940.48, 26,920.64 and 7,552 is: 11,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.48 : 26,920.64 = 7,552 : x
  2. Step 2: Convert to fraction form
    17,940.48/26,920.64 = 7,552/x
  3. Step 3: Cross multiply
    17,940.48x = 26,920.64 × 7,552
  4. Step 4: Simplify right side
    17,940.48x = 203,304,673.28
  5. Step 5: Solve for x
    x = 203,304,673.28/17,940.48
  6. Step 6: Final answer
    x = 11,332.18

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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.