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Finding the Fourth Proportional to 69,282.76, 103,924.19 and 16,692.29

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Solution

The fourth proportional to 69,282.76, 103,924.19 and 16,692.29 is: 25,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,282.76 : 103,924.19 = 16,692.29 : x
  2. Step 2: Convert to fraction form
    69,282.76/103,924.19 = 16,692.29/x
  3. Step 3: Cross multiply
    69,282.76x = 103,924.19 × 16,692.29
  4. Step 4: Simplify right side
    69,282.76x = 1,734,732,893.84
  5. Step 5: Solve for x
    x = 1,734,732,893.84/69,282.76
  6. Step 6: Final answer
    x = 25,038.45

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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.