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Finding the Fourth Proportional to 69,574.22, 95,953.15 and 53,480.48

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Solution

The fourth proportional to 69,574.22, 95,953.15 and 53,480.48 is: 73,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,574.22 : 95,953.15 = 53,480.48 : x
  2. Step 2: Convert to fraction form
    69,574.22/95,953.15 = 53,480.48/x
  3. Step 3: Cross multiply
    69,574.22x = 95,953.15 × 53,480.48
  4. Step 4: Simplify right side
    69,574.22x = 5,131,620,532.97
  5. Step 5: Solve for x
    x = 5,131,620,532.97/69,574.22
  6. Step 6: Final answer
    x = 73,757.51

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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.