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Finding the Fourth Proportional to 62,692.18, 94,121.64 and 36,415.78

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Solution

The fourth proportional to 62,692.18, 94,121.64 and 36,415.78 is: 54,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,692.18 : 94,121.64 = 36,415.78 : x
  2. Step 2: Convert to fraction form
    62,692.18/94,121.64 = 36,415.78/x
  3. Step 3: Cross multiply
    62,692.18x = 94,121.64 × 36,415.78
  4. Step 4: Simplify right side
    62,692.18x = 3,427,512,935.48
  5. Step 5: Solve for x
    x = 3,427,512,935.48/62,692.18
  6. Step 6: Final answer
    x = 54,672.10

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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.