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Finding the Fourth Proportional to 69,573.94, 104,361.51 and 19,652.93

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Solution

The fourth proportional to 69,573.94, 104,361.51 and 19,652.93 is: 29,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,573.94 : 104,361.51 = 19,652.93 : x
  2. Step 2: Convert to fraction form
    69,573.94/104,361.51 = 19,652.93/x
  3. Step 3: Cross multiply
    69,573.94x = 104,361.51 × 19,652.93
  4. Step 4: Simplify right side
    69,573.94x = 2,051,009,393.97
  5. Step 5: Solve for x
    x = 2,051,009,393.97/69,573.94
  6. Step 6: Final answer
    x = 29,479.56

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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.