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Finding the Fourth Proportional to 68,692.25, 94,795.82 and 38,477.94

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Solution

The fourth proportional to 68,692.25, 94,795.82 and 38,477.94 is: 53,099.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,692.25 : 94,795.82 = 38,477.94 : x
  2. Step 2: Convert to fraction form
    68,692.25/94,795.82 = 38,477.94/x
  3. Step 3: Cross multiply
    68,692.25x = 94,795.82 × 38,477.94
  4. Step 4: Simplify right side
    68,692.25x = 3,647,547,470.63
  5. Step 5: Solve for x
    x = 3,647,547,470.63/68,692.25
  6. Step 6: Final answer
    x = 53,099.84

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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.