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Finding the Fourth Proportional to 17,495.80, 24,138.78 and 9,941.80

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Solution

The fourth proportional to 17,495.80, 24,138.78 and 9,941.80 is: 13,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,495.80 : 24,138.78 = 9,941.80 : x
  2. Step 2: Convert to fraction form
    17,495.80/24,138.78 = 9,941.80/x
  3. Step 3: Cross multiply
    17,495.80x = 24,138.78 × 9,941.80
  4. Step 4: Simplify right side
    17,495.80x = 239,982,923.00
  5. Step 5: Solve for x
    x = 239,982,923.00/17,495.80
  6. Step 6: Final answer
    x = 13,716.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.