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Finding the Fourth Proportional to 17,972.52, 26,949.02 and 9,662.44

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Solution

The fourth proportional to 17,972.52, 26,949.02 and 9,662.44 is: 14,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.52 : 26,949.02 = 9,662.44 : x
  2. Step 2: Convert to fraction form
    17,972.52/26,949.02 = 9,662.44/x
  3. Step 3: Cross multiply
    17,972.52x = 26,949.02 × 9,662.44
  4. Step 4: Simplify right side
    17,972.52x = 260,393,288.81
  5. Step 5: Solve for x
    x = 260,393,288.81/17,972.52
  6. Step 6: Final answer
    x = 14,488.41

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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.