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Finding the Fourth Proportional to 23,845.75, 35,768.63 and 7,429.75

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Solution

The fourth proportional to 23,845.75, 35,768.63 and 7,429.75 is: 11,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,845.75 : 35,768.63 = 7,429.75 : x
  2. Step 2: Convert to fraction form
    23,845.75/35,768.63 = 7,429.75/x
  3. Step 3: Cross multiply
    23,845.75x = 35,768.63 × 7,429.75
  4. Step 4: Simplify right side
    23,845.75x = 265,751,978.74
  5. Step 5: Solve for x
    x = 265,751,978.74/23,845.75
  6. Step 6: Final answer
    x = 11,144.63

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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.