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Finding the Fourth Proportional to 69,661.40, 104,438.52 and 34,573.84

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Solution

The fourth proportional to 69,661.40, 104,438.52 and 34,573.84 is: 51,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,661.40 : 104,438.52 = 34,573.84 : x
  2. Step 2: Convert to fraction form
    69,661.40/104,438.52 = 34,573.84/x
  3. Step 3: Cross multiply
    69,661.40x = 104,438.52 × 34,573.84
  4. Step 4: Simplify right side
    69,661.40x = 3,610,840,680.32
  5. Step 5: Solve for x
    x = 3,610,840,680.32/69,661.40
  6. Step 6: Final answer
    x = 51,834.17

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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.