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Finding the Fourth Proportional to 60,692.62, 83,725.73 and 40,555.82

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Solution

The fourth proportional to 60,692.62, 83,725.73 and 40,555.82 is: 55,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,692.62 : 83,725.73 = 40,555.82 : x
  2. Step 2: Convert to fraction form
    60,692.62/83,725.73 = 40,555.82/x
  3. Step 3: Cross multiply
    60,692.62x = 83,725.73 × 40,555.82
  4. Step 4: Simplify right side
    60,692.62x = 3,395,565,165.93
  5. Step 5: Solve for x
    x = 3,395,565,165.93/60,692.62
  6. Step 6: Final answer
    x = 55,946.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.