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Finding the Fourth Proportional to 69,343.68, 95,694.16 and 37,512.48

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Solution

The fourth proportional to 69,343.68, 95,694.16 and 37,512.48 is: 51,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,343.68 : 95,694.16 = 37,512.48 : x
  2. Step 2: Convert to fraction form
    69,343.68/95,694.16 = 37,512.48/x
  3. Step 3: Cross multiply
    69,343.68x = 95,694.16 × 37,512.48
  4. Step 4: Simplify right side
    69,343.68x = 3,589,725,263.12
  5. Step 5: Solve for x
    x = 3,589,725,263.12/69,343.68
  6. Step 6: Final answer
    x = 51,767.16

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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.