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Finding the Fourth Proportional to 17,940.42, 26,910.54 and 7,552.17

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Solution

The fourth proportional to 17,940.42, 26,910.54 and 7,552.17 is: 11,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.42 : 26,910.54 = 7,552.17 : x
  2. Step 2: Convert to fraction form
    17,940.42/26,910.54 = 7,552.17/x
  3. Step 3: Cross multiply
    17,940.42x = 26,910.54 × 7,552.17
  4. Step 4: Simplify right side
    17,940.42x = 203,232,972.87
  5. Step 5: Solve for x
    x = 203,232,972.87/17,940.42
  6. Step 6: Final answer
    x = 11,328.22

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1.5x scale

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.