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Finding the Fourth Proportional to 69,671.94, 104,511.84 and 22,291.20

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Solution

The fourth proportional to 69,671.94, 104,511.84 and 22,291.20 is: 33,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,671.94 : 104,511.84 = 22,291.20 : x
  2. Step 2: Convert to fraction form
    69,671.94/104,511.84 = 22,291.20/x
  3. Step 3: Cross multiply
    69,671.94x = 104,511.84 × 22,291.20
  4. Step 4: Simplify right side
    69,671.94x = 2,329,694,327.81
  5. Step 5: Solve for x
    x = 2,329,694,327.81/69,671.94
  6. Step 6: Final answer
    x = 33,438.06

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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.