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Finding the Fourth Proportional to 69,357.58, 95,712.78 and 37,525.78

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Solution

The fourth proportional to 69,357.58, 95,712.78 and 37,525.78 is: 51,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,357.58 : 95,712.78 = 37,525.78 : x
  2. Step 2: Convert to fraction form
    69,357.58/95,712.78 = 37,525.78/x
  3. Step 3: Cross multiply
    69,357.58x = 95,712.78 × 37,525.78
  4. Step 4: Simplify right side
    69,357.58x = 3,591,696,725.47
  5. Step 5: Solve for x
    x = 3,591,696,725.47/69,357.58
  6. Step 6: Final answer
    x = 51,785.21

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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.