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Finding the Fourth Proportional to 17,980.38, 26,946.27 and 9,203.22

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Solution

The fourth proportional to 17,980.38, 26,946.27 and 9,203.22 is: 13,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.38 : 26,946.27 = 9,203.22 : x
  2. Step 2: Convert to fraction form
    17,980.38/26,946.27 = 9,203.22/x
  3. Step 3: Cross multiply
    17,980.38x = 26,946.27 × 9,203.22
  4. Step 4: Simplify right side
    17,980.38x = 247,992,450.99
  5. Step 5: Solve for x
    x = 247,992,450.99/17,980.38
  6. Step 6: Final answer
    x = 13,792.39

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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.