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Finding the Fourth Proportional to 23,493.80, 35,240.46 and 7,911.32

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Solution

The fourth proportional to 23,493.80, 35,240.46 and 7,911.32 is: 11,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,493.80 : 35,240.46 = 7,911.32 : x
  2. Step 2: Convert to fraction form
    23,493.80/35,240.46 = 7,911.32/x
  3. Step 3: Cross multiply
    23,493.80x = 35,240.46 × 7,911.32
  4. Step 4: Simplify right side
    23,493.80x = 278,798,556.01
  5. Step 5: Solve for x
    x = 278,798,556.01/23,493.80
  6. Step 6: Final answer
    x = 11,866.90

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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.