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Finding the Fourth Proportional to 69,482.88, 104,227.02 and 35,739.90

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Solution

The fourth proportional to 69,482.88, 104,227.02 and 35,739.90 is: 53,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,482.88 : 104,227.02 = 35,739.90 : x
  2. Step 2: Convert to fraction form
    69,482.88/104,227.02 = 35,739.90/x
  3. Step 3: Cross multiply
    69,482.88x = 104,227.02 × 35,739.90
  4. Step 4: Simplify right side
    69,482.88x = 3,725,063,272.10
  5. Step 5: Solve for x
    x = 3,725,063,272.10/69,482.88
  6. Step 6: Final answer
    x = 53,611.24

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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.