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Finding the Fourth Proportional to 35,975.64, 53,940.12 and 17,255.28

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Solution

The fourth proportional to 35,975.64, 53,940.12 and 17,255.28 is: 25,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,975.64 : 53,940.12 = 17,255.28 : x
  2. Step 2: Convert to fraction form
    35,975.64/53,940.12 = 17,255.28/x
  3. Step 3: Cross multiply
    35,975.64x = 53,940.12 × 17,255.28
  4. Step 4: Simplify right side
    35,975.64x = 930,751,873.83
  5. Step 5: Solve for x
    x = 930,751,873.83/35,975.64
  6. Step 6: Final answer
    x = 25,871.73

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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.