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Finding the Fourth Proportional to 40,773, 61,168.29 and 12,692.46

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Solution

The fourth proportional to 40,773, 61,168.29 and 12,692.46 is: 19,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,773 : 61,168.29 = 12,692.46 : x
  2. Step 2: Convert to fraction form
    40,773/61,168.29 = 12,692.46/x
  3. Step 3: Cross multiply
    40,773x = 61,168.29 × 12,692.46
  4. Step 4: Simplify right side
    40,773x = 776,376,074.09
  5. Step 5: Solve for x
    x = 776,376,074.09/40,773
  6. Step 6: Final answer
    x = 19,041.43

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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.