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Finding the Fourth Proportional to 69,573.96, 104,268.64 and 37,902.76

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Solution

The fourth proportional to 69,573.96, 104,268.64 and 37,902.76 is: 56,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,573.96 : 104,268.64 = 37,902.76 : x
  2. Step 2: Convert to fraction form
    69,573.96/104,268.64 = 37,902.76/x
  3. Step 3: Cross multiply
    69,573.96x = 104,268.64 × 37,902.76
  4. Step 4: Simplify right side
    69,573.96x = 3,952,069,237.45
  5. Step 5: Solve for x
    x = 3,952,069,237.45/69,573.96
  6. Step 6: Final answer
    x = 56,803.86

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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.