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Finding the Fourth Proportional to 49,692.60, 74,519.10 and 16,403.40

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Solution

The fourth proportional to 49,692.60, 74,519.10 and 16,403.40 is: 24,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,692.60 : 74,519.10 = 16,403.40 : x
  2. Step 2: Convert to fraction form
    49,692.60/74,519.10 = 16,403.40/x
  3. Step 3: Cross multiply
    49,692.60x = 74,519.10 × 16,403.40
  4. Step 4: Simplify right side
    49,692.60x = 1,222,366,604.94
  5. Step 5: Solve for x
    x = 1,222,366,604.94/49,692.60
  6. Step 6: Final answer
    x = 24,598.56

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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.