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Finding the Fourth Proportional to 17,223.22, 25,788.55 and 10,949.22

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Solution

The fourth proportional to 17,223.22, 25,788.55 and 10,949.22 is: 16,394.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,223.22 : 25,788.55 = 10,949.22 : x
  2. Step 2: Convert to fraction form
    17,223.22/25,788.55 = 10,949.22/x
  3. Step 3: Cross multiply
    17,223.22x = 25,788.55 × 10,949.22
  4. Step 4: Simplify right side
    17,223.22x = 282,364,507.43
  5. Step 5: Solve for x
    x = 282,364,507.43/17,223.22
  6. Step 6: Final answer
    x = 16,394.41

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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.