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Finding the Fourth Proportional to 69,995.84, 104,826.56 and 38,753.60

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Solution

The fourth proportional to 69,995.84, 104,826.56 and 38,753.60 is: 58,037.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,995.84 : 104,826.56 = 38,753.60 : x
  2. Step 2: Convert to fraction form
    69,995.84/104,826.56 = 38,753.60/x
  3. Step 3: Cross multiply
    69,995.84x = 104,826.56 × 38,753.60
  4. Step 4: Simplify right side
    69,995.84x = 4,062,406,575.62
  5. Step 5: Solve for x
    x = 4,062,406,575.62/69,995.84
  6. Step 6: Final answer
    x = 58,037.83

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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.