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Finding the Fourth Proportional to 66,904.42, 92,329.14 and 36,692.50

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Solution

The fourth proportional to 66,904.42, 92,329.14 and 36,692.50 is: 50,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,904.42 : 92,329.14 = 36,692.50 : x
  2. Step 2: Convert to fraction form
    66,904.42/92,329.14 = 36,692.50/x
  3. Step 3: Cross multiply
    66,904.42x = 92,329.14 × 36,692.50
  4. Step 4: Simplify right side
    66,904.42x = 3,387,786,969.45
  5. Step 5: Solve for x
    x = 3,387,786,969.45/66,904.42
  6. Step 6: Final answer
    x = 50,636.22

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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.